forked from OSchip/llvm-project
1014 lines
36 KiB
LLVM
1014 lines
36 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=riscv32 -verify-machineinstrs < %s \
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; RUN: | FileCheck -check-prefix=RV32I-FPELIM %s
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; RUN: llc -mtriple=riscv32 -verify-machineinstrs -frame-pointer=all < %s \
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; RUN: | FileCheck -check-prefix=RV32I-WITHFP %s
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; This file contains tests that should have identical output for the ilp32,
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; ilp32f, and ilp32d ABIs. i.e. where no arguments are passed according to
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; the floating point ABI. As well as calling convention details, we check that
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; ra and fp are consistently stored to fp-4 and fp-8.
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; Check that on RV32, i64 is passed in a pair of registers. Unlike
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; the convention for varargs, this need not be an aligned pair.
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define i32 @callee_i64_in_regs(i32 %a, i64 %b) nounwind {
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; RV32I-FPELIM-LABEL: callee_i64_in_regs:
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; RV32I-FPELIM: # %bb.0:
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; RV32I-FPELIM-NEXT: add a0, a0, a1
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; RV32I-FPELIM-NEXT: ret
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;
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; RV32I-WITHFP-LABEL: callee_i64_in_regs:
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; RV32I-WITHFP: # %bb.0:
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; RV32I-WITHFP-NEXT: addi sp, sp, -16
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; RV32I-WITHFP-NEXT: sw ra, 12(sp)
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; RV32I-WITHFP-NEXT: sw s0, 8(sp)
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; RV32I-WITHFP-NEXT: addi s0, sp, 16
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; RV32I-WITHFP-NEXT: add a0, a0, a1
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; RV32I-WITHFP-NEXT: lw s0, 8(sp)
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; RV32I-WITHFP-NEXT: lw ra, 12(sp)
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; RV32I-WITHFP-NEXT: addi sp, sp, 16
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; RV32I-WITHFP-NEXT: ret
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%b_trunc = trunc i64 %b to i32
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%1 = add i32 %a, %b_trunc
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ret i32 %1
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}
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define i32 @caller_i64_in_regs() nounwind {
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; RV32I-FPELIM-LABEL: caller_i64_in_regs:
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; RV32I-FPELIM: # %bb.0:
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; RV32I-FPELIM-NEXT: addi sp, sp, -16
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; RV32I-FPELIM-NEXT: sw ra, 12(sp)
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; RV32I-FPELIM-NEXT: addi a0, zero, 1
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; RV32I-FPELIM-NEXT: addi a1, zero, 2
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; RV32I-FPELIM-NEXT: mv a2, zero
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; RV32I-FPELIM-NEXT: call callee_i64_in_regs
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; RV32I-FPELIM-NEXT: lw ra, 12(sp)
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; RV32I-FPELIM-NEXT: addi sp, sp, 16
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; RV32I-FPELIM-NEXT: ret
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;
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; RV32I-WITHFP-LABEL: caller_i64_in_regs:
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; RV32I-WITHFP: # %bb.0:
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; RV32I-WITHFP-NEXT: addi sp, sp, -16
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; RV32I-WITHFP-NEXT: sw ra, 12(sp)
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; RV32I-WITHFP-NEXT: sw s0, 8(sp)
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; RV32I-WITHFP-NEXT: addi s0, sp, 16
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; RV32I-WITHFP-NEXT: addi a0, zero, 1
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; RV32I-WITHFP-NEXT: addi a1, zero, 2
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; RV32I-WITHFP-NEXT: mv a2, zero
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; RV32I-WITHFP-NEXT: call callee_i64_in_regs
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; RV32I-WITHFP-NEXT: lw s0, 8(sp)
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; RV32I-WITHFP-NEXT: lw ra, 12(sp)
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; RV32I-WITHFP-NEXT: addi sp, sp, 16
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; RV32I-WITHFP-NEXT: ret
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%1 = call i32 @callee_i64_in_regs(i32 1, i64 2)
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ret i32 %1
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}
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; Check that the stack is used once the GPRs are exhausted
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define i32 @callee_many_scalars(i8 %a, i16 %b, i32 %c, i64 %d, i32 %e, i32 %f, i64 %g, i32 %h) nounwind {
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; RV32I-FPELIM-LABEL: callee_many_scalars:
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; RV32I-FPELIM: # %bb.0:
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; RV32I-FPELIM-NEXT: lw t0, 0(sp)
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; RV32I-FPELIM-NEXT: xor a4, a4, t0
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; RV32I-FPELIM-NEXT: xor a3, a3, a7
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; RV32I-FPELIM-NEXT: or a3, a3, a4
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; RV32I-FPELIM-NEXT: lui a4, 16
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; RV32I-FPELIM-NEXT: addi a4, a4, -1
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; RV32I-FPELIM-NEXT: and a1, a1, a4
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; RV32I-FPELIM-NEXT: andi a0, a0, 255
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; RV32I-FPELIM-NEXT: add a0, a0, a1
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; RV32I-FPELIM-NEXT: add a0, a0, a2
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; RV32I-FPELIM-NEXT: seqz a1, a3
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; RV32I-FPELIM-NEXT: add a0, a1, a0
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; RV32I-FPELIM-NEXT: add a0, a0, a5
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; RV32I-FPELIM-NEXT: add a0, a0, a6
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; RV32I-FPELIM-NEXT: lw a1, 4(sp)
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; RV32I-FPELIM-NEXT: add a0, a0, a1
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; RV32I-FPELIM-NEXT: ret
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;
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; RV32I-WITHFP-LABEL: callee_many_scalars:
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; RV32I-WITHFP: # %bb.0:
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; RV32I-WITHFP-NEXT: addi sp, sp, -16
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; RV32I-WITHFP-NEXT: sw ra, 12(sp)
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; RV32I-WITHFP-NEXT: sw s0, 8(sp)
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; RV32I-WITHFP-NEXT: addi s0, sp, 16
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; RV32I-WITHFP-NEXT: lw t0, 0(s0)
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; RV32I-WITHFP-NEXT: xor a4, a4, t0
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; RV32I-WITHFP-NEXT: xor a3, a3, a7
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; RV32I-WITHFP-NEXT: or a3, a3, a4
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; RV32I-WITHFP-NEXT: lui a4, 16
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; RV32I-WITHFP-NEXT: addi a4, a4, -1
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; RV32I-WITHFP-NEXT: and a1, a1, a4
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; RV32I-WITHFP-NEXT: andi a0, a0, 255
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; RV32I-WITHFP-NEXT: add a0, a0, a1
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; RV32I-WITHFP-NEXT: add a0, a0, a2
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; RV32I-WITHFP-NEXT: seqz a1, a3
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; RV32I-WITHFP-NEXT: add a0, a1, a0
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; RV32I-WITHFP-NEXT: add a0, a0, a5
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; RV32I-WITHFP-NEXT: add a0, a0, a6
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; RV32I-WITHFP-NEXT: lw a1, 4(s0)
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; RV32I-WITHFP-NEXT: add a0, a0, a1
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; RV32I-WITHFP-NEXT: lw s0, 8(sp)
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; RV32I-WITHFP-NEXT: lw ra, 12(sp)
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; RV32I-WITHFP-NEXT: addi sp, sp, 16
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; RV32I-WITHFP-NEXT: ret
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%a_ext = zext i8 %a to i32
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%b_ext = zext i16 %b to i32
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%1 = add i32 %a_ext, %b_ext
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%2 = add i32 %1, %c
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%3 = icmp eq i64 %d, %g
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%4 = zext i1 %3 to i32
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%5 = add i32 %4, %2
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%6 = add i32 %5, %e
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%7 = add i32 %6, %f
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%8 = add i32 %7, %h
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ret i32 %8
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}
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define i32 @caller_many_scalars() nounwind {
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; RV32I-FPELIM-LABEL: caller_many_scalars:
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; RV32I-FPELIM: # %bb.0:
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; RV32I-FPELIM-NEXT: addi sp, sp, -16
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; RV32I-FPELIM-NEXT: sw ra, 12(sp)
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; RV32I-FPELIM-NEXT: addi a0, zero, 8
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; RV32I-FPELIM-NEXT: sw a0, 4(sp)
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; RV32I-FPELIM-NEXT: sw zero, 0(sp)
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; RV32I-FPELIM-NEXT: addi a0, zero, 1
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; RV32I-FPELIM-NEXT: addi a1, zero, 2
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; RV32I-FPELIM-NEXT: addi a2, zero, 3
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; RV32I-FPELIM-NEXT: addi a3, zero, 4
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; RV32I-FPELIM-NEXT: mv a4, zero
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; RV32I-FPELIM-NEXT: addi a5, zero, 5
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; RV32I-FPELIM-NEXT: addi a6, zero, 6
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; RV32I-FPELIM-NEXT: addi a7, zero, 7
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; RV32I-FPELIM-NEXT: call callee_many_scalars
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; RV32I-FPELIM-NEXT: lw ra, 12(sp)
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; RV32I-FPELIM-NEXT: addi sp, sp, 16
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; RV32I-FPELIM-NEXT: ret
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;
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; RV32I-WITHFP-LABEL: caller_many_scalars:
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; RV32I-WITHFP: # %bb.0:
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; RV32I-WITHFP-NEXT: addi sp, sp, -16
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; RV32I-WITHFP-NEXT: sw ra, 12(sp)
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; RV32I-WITHFP-NEXT: sw s0, 8(sp)
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; RV32I-WITHFP-NEXT: addi s0, sp, 16
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; RV32I-WITHFP-NEXT: addi a0, zero, 8
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; RV32I-WITHFP-NEXT: sw a0, 4(sp)
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; RV32I-WITHFP-NEXT: sw zero, 0(sp)
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; RV32I-WITHFP-NEXT: addi a0, zero, 1
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; RV32I-WITHFP-NEXT: addi a1, zero, 2
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; RV32I-WITHFP-NEXT: addi a2, zero, 3
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; RV32I-WITHFP-NEXT: addi a3, zero, 4
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; RV32I-WITHFP-NEXT: mv a4, zero
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; RV32I-WITHFP-NEXT: addi a5, zero, 5
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; RV32I-WITHFP-NEXT: addi a6, zero, 6
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; RV32I-WITHFP-NEXT: addi a7, zero, 7
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; RV32I-WITHFP-NEXT: call callee_many_scalars
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; RV32I-WITHFP-NEXT: lw s0, 8(sp)
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; RV32I-WITHFP-NEXT: lw ra, 12(sp)
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; RV32I-WITHFP-NEXT: addi sp, sp, 16
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; RV32I-WITHFP-NEXT: ret
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%1 = call i32 @callee_many_scalars(i8 1, i16 2, i32 3, i64 4, i32 5, i32 6, i64 7, i32 8)
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ret i32 %1
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}
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; Check that i128 and fp128 are passed indirectly
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define i32 @callee_large_scalars(i128 %a, fp128 %b) nounwind {
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; RV32I-FPELIM-LABEL: callee_large_scalars:
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; RV32I-FPELIM: # %bb.0:
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; RV32I-FPELIM-NEXT: lw a2, 12(a1)
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; RV32I-FPELIM-NEXT: lw a3, 12(a0)
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; RV32I-FPELIM-NEXT: xor a2, a3, a2
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; RV32I-FPELIM-NEXT: lw a3, 4(a1)
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; RV32I-FPELIM-NEXT: lw a4, 4(a0)
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; RV32I-FPELIM-NEXT: xor a3, a4, a3
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; RV32I-FPELIM-NEXT: or a2, a3, a2
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; RV32I-FPELIM-NEXT: lw a3, 8(a1)
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; RV32I-FPELIM-NEXT: lw a4, 8(a0)
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; RV32I-FPELIM-NEXT: xor a3, a4, a3
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; RV32I-FPELIM-NEXT: lw a1, 0(a1)
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; RV32I-FPELIM-NEXT: lw a0, 0(a0)
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; RV32I-FPELIM-NEXT: xor a0, a0, a1
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; RV32I-FPELIM-NEXT: or a0, a0, a3
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; RV32I-FPELIM-NEXT: or a0, a0, a2
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; RV32I-FPELIM-NEXT: seqz a0, a0
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; RV32I-FPELIM-NEXT: ret
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;
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; RV32I-WITHFP-LABEL: callee_large_scalars:
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; RV32I-WITHFP: # %bb.0:
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; RV32I-WITHFP-NEXT: addi sp, sp, -16
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; RV32I-WITHFP-NEXT: sw ra, 12(sp)
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; RV32I-WITHFP-NEXT: sw s0, 8(sp)
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; RV32I-WITHFP-NEXT: addi s0, sp, 16
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; RV32I-WITHFP-NEXT: lw a2, 12(a1)
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; RV32I-WITHFP-NEXT: lw a3, 12(a0)
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; RV32I-WITHFP-NEXT: xor a2, a3, a2
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; RV32I-WITHFP-NEXT: lw a3, 4(a1)
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; RV32I-WITHFP-NEXT: lw a4, 4(a0)
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; RV32I-WITHFP-NEXT: xor a3, a4, a3
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; RV32I-WITHFP-NEXT: or a2, a3, a2
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; RV32I-WITHFP-NEXT: lw a3, 8(a1)
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; RV32I-WITHFP-NEXT: lw a4, 8(a0)
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; RV32I-WITHFP-NEXT: xor a3, a4, a3
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; RV32I-WITHFP-NEXT: lw a1, 0(a1)
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; RV32I-WITHFP-NEXT: lw a0, 0(a0)
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; RV32I-WITHFP-NEXT: xor a0, a0, a1
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; RV32I-WITHFP-NEXT: or a0, a0, a3
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; RV32I-WITHFP-NEXT: or a0, a0, a2
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; RV32I-WITHFP-NEXT: seqz a0, a0
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; RV32I-WITHFP-NEXT: lw s0, 8(sp)
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; RV32I-WITHFP-NEXT: lw ra, 12(sp)
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; RV32I-WITHFP-NEXT: addi sp, sp, 16
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; RV32I-WITHFP-NEXT: ret
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%b_bitcast = bitcast fp128 %b to i128
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%1 = icmp eq i128 %a, %b_bitcast
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%2 = zext i1 %1 to i32
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ret i32 %2
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}
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define i32 @caller_large_scalars() nounwind {
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; RV32I-FPELIM-LABEL: caller_large_scalars:
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; RV32I-FPELIM: # %bb.0:
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; RV32I-FPELIM-NEXT: addi sp, sp, -48
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; RV32I-FPELIM-NEXT: sw ra, 44(sp)
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; RV32I-FPELIM-NEXT: lui a0, 524272
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; RV32I-FPELIM-NEXT: sw a0, 12(sp)
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; RV32I-FPELIM-NEXT: sw zero, 8(sp)
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; RV32I-FPELIM-NEXT: sw zero, 4(sp)
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; RV32I-FPELIM-NEXT: sw zero, 0(sp)
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; RV32I-FPELIM-NEXT: sw zero, 36(sp)
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; RV32I-FPELIM-NEXT: sw zero, 32(sp)
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; RV32I-FPELIM-NEXT: sw zero, 28(sp)
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; RV32I-FPELIM-NEXT: addi a0, zero, 1
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; RV32I-FPELIM-NEXT: sw a0, 24(sp)
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; RV32I-FPELIM-NEXT: addi a0, sp, 24
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; RV32I-FPELIM-NEXT: mv a1, sp
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; RV32I-FPELIM-NEXT: call callee_large_scalars
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; RV32I-FPELIM-NEXT: lw ra, 44(sp)
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; RV32I-FPELIM-NEXT: addi sp, sp, 48
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; RV32I-FPELIM-NEXT: ret
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;
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; RV32I-WITHFP-LABEL: caller_large_scalars:
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; RV32I-WITHFP: # %bb.0:
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; RV32I-WITHFP-NEXT: addi sp, sp, -48
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; RV32I-WITHFP-NEXT: sw ra, 44(sp)
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; RV32I-WITHFP-NEXT: sw s0, 40(sp)
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; RV32I-WITHFP-NEXT: addi s0, sp, 48
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; RV32I-WITHFP-NEXT: lui a0, 524272
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; RV32I-WITHFP-NEXT: sw a0, -36(s0)
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; RV32I-WITHFP-NEXT: sw zero, -40(s0)
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; RV32I-WITHFP-NEXT: sw zero, -44(s0)
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; RV32I-WITHFP-NEXT: sw zero, -48(s0)
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; RV32I-WITHFP-NEXT: sw zero, -12(s0)
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; RV32I-WITHFP-NEXT: sw zero, -16(s0)
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; RV32I-WITHFP-NEXT: sw zero, -20(s0)
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; RV32I-WITHFP-NEXT: addi a0, zero, 1
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; RV32I-WITHFP-NEXT: sw a0, -24(s0)
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; RV32I-WITHFP-NEXT: addi a0, s0, -24
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; RV32I-WITHFP-NEXT: addi a1, s0, -48
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; RV32I-WITHFP-NEXT: call callee_large_scalars
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; RV32I-WITHFP-NEXT: lw s0, 40(sp)
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; RV32I-WITHFP-NEXT: lw ra, 44(sp)
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; RV32I-WITHFP-NEXT: addi sp, sp, 48
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; RV32I-WITHFP-NEXT: ret
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%1 = call i32 @callee_large_scalars(i128 1, fp128 0xL00000000000000007FFF000000000000)
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ret i32 %1
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}
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; Check that arguments larger than 2*xlen are handled correctly when their
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; address is passed on the stack rather than in memory
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; Must keep define on a single line due to an update_llc_test_checks.py limitation
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define i32 @callee_large_scalars_exhausted_regs(i32 %a, i32 %b, i32 %c, i32 %d, i32 %e, i32 %f, i32 %g, i128 %h, i32 %i, fp128 %j) nounwind {
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; RV32I-FPELIM-LABEL: callee_large_scalars_exhausted_regs:
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; RV32I-FPELIM: # %bb.0:
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; RV32I-FPELIM-NEXT: lw a0, 4(sp)
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; RV32I-FPELIM-NEXT: lw a1, 12(a0)
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; RV32I-FPELIM-NEXT: lw a2, 12(a7)
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; RV32I-FPELIM-NEXT: xor a1, a2, a1
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; RV32I-FPELIM-NEXT: lw a2, 4(a0)
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; RV32I-FPELIM-NEXT: lw a3, 4(a7)
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; RV32I-FPELIM-NEXT: xor a2, a3, a2
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; RV32I-FPELIM-NEXT: or a1, a2, a1
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; RV32I-FPELIM-NEXT: lw a2, 8(a0)
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; RV32I-FPELIM-NEXT: lw a3, 8(a7)
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; RV32I-FPELIM-NEXT: xor a2, a3, a2
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; RV32I-FPELIM-NEXT: lw a0, 0(a0)
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; RV32I-FPELIM-NEXT: lw a3, 0(a7)
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; RV32I-FPELIM-NEXT: xor a0, a3, a0
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; RV32I-FPELIM-NEXT: or a0, a0, a2
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; RV32I-FPELIM-NEXT: or a0, a0, a1
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; RV32I-FPELIM-NEXT: seqz a0, a0
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; RV32I-FPELIM-NEXT: ret
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;
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; RV32I-WITHFP-LABEL: callee_large_scalars_exhausted_regs:
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; RV32I-WITHFP: # %bb.0:
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; RV32I-WITHFP-NEXT: addi sp, sp, -16
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; RV32I-WITHFP-NEXT: sw ra, 12(sp)
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; RV32I-WITHFP-NEXT: sw s0, 8(sp)
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; RV32I-WITHFP-NEXT: addi s0, sp, 16
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; RV32I-WITHFP-NEXT: lw a0, 4(s0)
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; RV32I-WITHFP-NEXT: lw a1, 12(a0)
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; RV32I-WITHFP-NEXT: lw a2, 12(a7)
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; RV32I-WITHFP-NEXT: xor a1, a2, a1
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; RV32I-WITHFP-NEXT: lw a2, 4(a0)
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; RV32I-WITHFP-NEXT: lw a3, 4(a7)
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; RV32I-WITHFP-NEXT: xor a2, a3, a2
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; RV32I-WITHFP-NEXT: or a1, a2, a1
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; RV32I-WITHFP-NEXT: lw a2, 8(a0)
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; RV32I-WITHFP-NEXT: lw a3, 8(a7)
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; RV32I-WITHFP-NEXT: xor a2, a3, a2
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; RV32I-WITHFP-NEXT: lw a0, 0(a0)
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; RV32I-WITHFP-NEXT: lw a3, 0(a7)
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; RV32I-WITHFP-NEXT: xor a0, a3, a0
|
|
; RV32I-WITHFP-NEXT: or a0, a0, a2
|
|
; RV32I-WITHFP-NEXT: or a0, a0, a1
|
|
; RV32I-WITHFP-NEXT: seqz a0, a0
|
|
; RV32I-WITHFP-NEXT: lw s0, 8(sp)
|
|
; RV32I-WITHFP-NEXT: lw ra, 12(sp)
|
|
; RV32I-WITHFP-NEXT: addi sp, sp, 16
|
|
; RV32I-WITHFP-NEXT: ret
|
|
%j_bitcast = bitcast fp128 %j to i128
|
|
%1 = icmp eq i128 %h, %j_bitcast
|
|
%2 = zext i1 %1 to i32
|
|
ret i32 %2
|
|
}
|
|
|
|
define i32 @caller_large_scalars_exhausted_regs() nounwind {
|
|
; RV32I-FPELIM-LABEL: caller_large_scalars_exhausted_regs:
|
|
; RV32I-FPELIM: # %bb.0:
|
|
; RV32I-FPELIM-NEXT: addi sp, sp, -64
|
|
; RV32I-FPELIM-NEXT: sw ra, 60(sp)
|
|
; RV32I-FPELIM-NEXT: addi a0, sp, 16
|
|
; RV32I-FPELIM-NEXT: sw a0, 4(sp)
|
|
; RV32I-FPELIM-NEXT: addi a0, zero, 9
|
|
; RV32I-FPELIM-NEXT: sw a0, 0(sp)
|
|
; RV32I-FPELIM-NEXT: lui a0, 524272
|
|
; RV32I-FPELIM-NEXT: sw a0, 28(sp)
|
|
; RV32I-FPELIM-NEXT: sw zero, 24(sp)
|
|
; RV32I-FPELIM-NEXT: sw zero, 20(sp)
|
|
; RV32I-FPELIM-NEXT: sw zero, 16(sp)
|
|
; RV32I-FPELIM-NEXT: sw zero, 52(sp)
|
|
; RV32I-FPELIM-NEXT: sw zero, 48(sp)
|
|
; RV32I-FPELIM-NEXT: sw zero, 44(sp)
|
|
; RV32I-FPELIM-NEXT: addi a0, zero, 8
|
|
; RV32I-FPELIM-NEXT: sw a0, 40(sp)
|
|
; RV32I-FPELIM-NEXT: addi a7, sp, 40
|
|
; RV32I-FPELIM-NEXT: addi a0, zero, 1
|
|
; RV32I-FPELIM-NEXT: addi a1, zero, 2
|
|
; RV32I-FPELIM-NEXT: addi a2, zero, 3
|
|
; RV32I-FPELIM-NEXT: addi a3, zero, 4
|
|
; RV32I-FPELIM-NEXT: addi a4, zero, 5
|
|
; RV32I-FPELIM-NEXT: addi a5, zero, 6
|
|
; RV32I-FPELIM-NEXT: addi a6, zero, 7
|
|
; RV32I-FPELIM-NEXT: call callee_large_scalars_exhausted_regs
|
|
; RV32I-FPELIM-NEXT: lw ra, 60(sp)
|
|
; RV32I-FPELIM-NEXT: addi sp, sp, 64
|
|
; RV32I-FPELIM-NEXT: ret
|
|
;
|
|
; RV32I-WITHFP-LABEL: caller_large_scalars_exhausted_regs:
|
|
; RV32I-WITHFP: # %bb.0:
|
|
; RV32I-WITHFP-NEXT: addi sp, sp, -64
|
|
; RV32I-WITHFP-NEXT: sw ra, 60(sp)
|
|
; RV32I-WITHFP-NEXT: sw s0, 56(sp)
|
|
; RV32I-WITHFP-NEXT: addi s0, sp, 64
|
|
; RV32I-WITHFP-NEXT: addi a0, s0, -48
|
|
; RV32I-WITHFP-NEXT: sw a0, 4(sp)
|
|
; RV32I-WITHFP-NEXT: addi a0, zero, 9
|
|
; RV32I-WITHFP-NEXT: sw a0, 0(sp)
|
|
; RV32I-WITHFP-NEXT: lui a0, 524272
|
|
; RV32I-WITHFP-NEXT: sw a0, -36(s0)
|
|
; RV32I-WITHFP-NEXT: sw zero, -40(s0)
|
|
; RV32I-WITHFP-NEXT: sw zero, -44(s0)
|
|
; RV32I-WITHFP-NEXT: sw zero, -48(s0)
|
|
; RV32I-WITHFP-NEXT: sw zero, -12(s0)
|
|
; RV32I-WITHFP-NEXT: sw zero, -16(s0)
|
|
; RV32I-WITHFP-NEXT: sw zero, -20(s0)
|
|
; RV32I-WITHFP-NEXT: addi a0, zero, 8
|
|
; RV32I-WITHFP-NEXT: sw a0, -24(s0)
|
|
; RV32I-WITHFP-NEXT: addi a7, s0, -24
|
|
; RV32I-WITHFP-NEXT: addi a0, zero, 1
|
|
; RV32I-WITHFP-NEXT: addi a1, zero, 2
|
|
; RV32I-WITHFP-NEXT: addi a2, zero, 3
|
|
; RV32I-WITHFP-NEXT: addi a3, zero, 4
|
|
; RV32I-WITHFP-NEXT: addi a4, zero, 5
|
|
; RV32I-WITHFP-NEXT: addi a5, zero, 6
|
|
; RV32I-WITHFP-NEXT: addi a6, zero, 7
|
|
; RV32I-WITHFP-NEXT: call callee_large_scalars_exhausted_regs
|
|
; RV32I-WITHFP-NEXT: lw s0, 56(sp)
|
|
; RV32I-WITHFP-NEXT: lw ra, 60(sp)
|
|
; RV32I-WITHFP-NEXT: addi sp, sp, 64
|
|
; RV32I-WITHFP-NEXT: ret
|
|
%1 = call i32 @callee_large_scalars_exhausted_regs(
|
|
i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i128 8, i32 9,
|
|
fp128 0xL00000000000000007FFF000000000000)
|
|
ret i32 %1
|
|
}
|
|
|
|
; Ensure that libcalls generated in the middle-end obey the calling convention
|
|
|
|
define i32 @caller_mixed_scalar_libcalls(i64 %a) nounwind {
|
|
; RV32I-FPELIM-LABEL: caller_mixed_scalar_libcalls:
|
|
; RV32I-FPELIM: # %bb.0:
|
|
; RV32I-FPELIM-NEXT: addi sp, sp, -32
|
|
; RV32I-FPELIM-NEXT: sw ra, 28(sp)
|
|
; RV32I-FPELIM-NEXT: mv a2, a1
|
|
; RV32I-FPELIM-NEXT: mv a1, a0
|
|
; RV32I-FPELIM-NEXT: addi a0, sp, 8
|
|
; RV32I-FPELIM-NEXT: call __floatditf
|
|
; RV32I-FPELIM-NEXT: lw a0, 8(sp)
|
|
; RV32I-FPELIM-NEXT: lw ra, 28(sp)
|
|
; RV32I-FPELIM-NEXT: addi sp, sp, 32
|
|
; RV32I-FPELIM-NEXT: ret
|
|
;
|
|
; RV32I-WITHFP-LABEL: caller_mixed_scalar_libcalls:
|
|
; RV32I-WITHFP: # %bb.0:
|
|
; RV32I-WITHFP-NEXT: addi sp, sp, -32
|
|
; RV32I-WITHFP-NEXT: sw ra, 28(sp)
|
|
; RV32I-WITHFP-NEXT: sw s0, 24(sp)
|
|
; RV32I-WITHFP-NEXT: addi s0, sp, 32
|
|
; RV32I-WITHFP-NEXT: mv a2, a1
|
|
; RV32I-WITHFP-NEXT: mv a1, a0
|
|
; RV32I-WITHFP-NEXT: addi a0, s0, -24
|
|
; RV32I-WITHFP-NEXT: call __floatditf
|
|
; RV32I-WITHFP-NEXT: lw a0, -24(s0)
|
|
; RV32I-WITHFP-NEXT: lw s0, 24(sp)
|
|
; RV32I-WITHFP-NEXT: lw ra, 28(sp)
|
|
; RV32I-WITHFP-NEXT: addi sp, sp, 32
|
|
; RV32I-WITHFP-NEXT: ret
|
|
%1 = sitofp i64 %a to fp128
|
|
%2 = bitcast fp128 %1 to i128
|
|
%3 = trunc i128 %2 to i32
|
|
ret i32 %3
|
|
}
|
|
|
|
; Check passing of coerced integer arrays
|
|
|
|
%struct.small = type { i32, i32* }
|
|
|
|
define i32 @callee_small_coerced_struct([2 x i32] %a.coerce) nounwind {
|
|
; RV32I-FPELIM-LABEL: callee_small_coerced_struct:
|
|
; RV32I-FPELIM: # %bb.0:
|
|
; RV32I-FPELIM-NEXT: xor a0, a0, a1
|
|
; RV32I-FPELIM-NEXT: seqz a0, a0
|
|
; RV32I-FPELIM-NEXT: ret
|
|
;
|
|
; RV32I-WITHFP-LABEL: callee_small_coerced_struct:
|
|
; RV32I-WITHFP: # %bb.0:
|
|
; RV32I-WITHFP-NEXT: addi sp, sp, -16
|
|
; RV32I-WITHFP-NEXT: sw ra, 12(sp)
|
|
; RV32I-WITHFP-NEXT: sw s0, 8(sp)
|
|
; RV32I-WITHFP-NEXT: addi s0, sp, 16
|
|
; RV32I-WITHFP-NEXT: xor a0, a0, a1
|
|
; RV32I-WITHFP-NEXT: seqz a0, a0
|
|
; RV32I-WITHFP-NEXT: lw s0, 8(sp)
|
|
; RV32I-WITHFP-NEXT: lw ra, 12(sp)
|
|
; RV32I-WITHFP-NEXT: addi sp, sp, 16
|
|
; RV32I-WITHFP-NEXT: ret
|
|
%1 = extractvalue [2 x i32] %a.coerce, 0
|
|
%2 = extractvalue [2 x i32] %a.coerce, 1
|
|
%3 = icmp eq i32 %1, %2
|
|
%4 = zext i1 %3 to i32
|
|
ret i32 %4
|
|
}
|
|
|
|
define i32 @caller_small_coerced_struct() nounwind {
|
|
; RV32I-FPELIM-LABEL: caller_small_coerced_struct:
|
|
; RV32I-FPELIM: # %bb.0:
|
|
; RV32I-FPELIM-NEXT: addi sp, sp, -16
|
|
; RV32I-FPELIM-NEXT: sw ra, 12(sp)
|
|
; RV32I-FPELIM-NEXT: addi a0, zero, 1
|
|
; RV32I-FPELIM-NEXT: addi a1, zero, 2
|
|
; RV32I-FPELIM-NEXT: call callee_small_coerced_struct
|
|
; RV32I-FPELIM-NEXT: lw ra, 12(sp)
|
|
; RV32I-FPELIM-NEXT: addi sp, sp, 16
|
|
; RV32I-FPELIM-NEXT: ret
|
|
;
|
|
; RV32I-WITHFP-LABEL: caller_small_coerced_struct:
|
|
; RV32I-WITHFP: # %bb.0:
|
|
; RV32I-WITHFP-NEXT: addi sp, sp, -16
|
|
; RV32I-WITHFP-NEXT: sw ra, 12(sp)
|
|
; RV32I-WITHFP-NEXT: sw s0, 8(sp)
|
|
; RV32I-WITHFP-NEXT: addi s0, sp, 16
|
|
; RV32I-WITHFP-NEXT: addi a0, zero, 1
|
|
; RV32I-WITHFP-NEXT: addi a1, zero, 2
|
|
; RV32I-WITHFP-NEXT: call callee_small_coerced_struct
|
|
; RV32I-WITHFP-NEXT: lw s0, 8(sp)
|
|
; RV32I-WITHFP-NEXT: lw ra, 12(sp)
|
|
; RV32I-WITHFP-NEXT: addi sp, sp, 16
|
|
; RV32I-WITHFP-NEXT: ret
|
|
%1 = call i32 @callee_small_coerced_struct([2 x i32] [i32 1, i32 2])
|
|
ret i32 %1
|
|
}
|
|
|
|
; Check large struct arguments, which are passed byval
|
|
|
|
%struct.large = type { i32, i32, i32, i32 }
|
|
|
|
define i32 @callee_large_struct(%struct.large* byval align 4 %a) nounwind {
|
|
; RV32I-FPELIM-LABEL: callee_large_struct:
|
|
; RV32I-FPELIM: # %bb.0:
|
|
; RV32I-FPELIM-NEXT: lw a1, 12(a0)
|
|
; RV32I-FPELIM-NEXT: lw a0, 0(a0)
|
|
; RV32I-FPELIM-NEXT: add a0, a0, a1
|
|
; RV32I-FPELIM-NEXT: ret
|
|
;
|
|
; RV32I-WITHFP-LABEL: callee_large_struct:
|
|
; RV32I-WITHFP: # %bb.0:
|
|
; RV32I-WITHFP-NEXT: addi sp, sp, -16
|
|
; RV32I-WITHFP-NEXT: sw ra, 12(sp)
|
|
; RV32I-WITHFP-NEXT: sw s0, 8(sp)
|
|
; RV32I-WITHFP-NEXT: addi s0, sp, 16
|
|
; RV32I-WITHFP-NEXT: lw a1, 12(a0)
|
|
; RV32I-WITHFP-NEXT: lw a0, 0(a0)
|
|
; RV32I-WITHFP-NEXT: add a0, a0, a1
|
|
; RV32I-WITHFP-NEXT: lw s0, 8(sp)
|
|
; RV32I-WITHFP-NEXT: lw ra, 12(sp)
|
|
; RV32I-WITHFP-NEXT: addi sp, sp, 16
|
|
; RV32I-WITHFP-NEXT: ret
|
|
%1 = getelementptr inbounds %struct.large, %struct.large* %a, i32 0, i32 0
|
|
%2 = getelementptr inbounds %struct.large, %struct.large* %a, i32 0, i32 3
|
|
%3 = load i32, i32* %1
|
|
%4 = load i32, i32* %2
|
|
%5 = add i32 %3, %4
|
|
ret i32 %5
|
|
}
|
|
|
|
define i32 @caller_large_struct() nounwind {
|
|
; RV32I-FPELIM-LABEL: caller_large_struct:
|
|
; RV32I-FPELIM: # %bb.0:
|
|
; RV32I-FPELIM-NEXT: addi sp, sp, -48
|
|
; RV32I-FPELIM-NEXT: sw ra, 44(sp)
|
|
; RV32I-FPELIM-NEXT: addi a0, zero, 1
|
|
; RV32I-FPELIM-NEXT: sw a0, 24(sp)
|
|
; RV32I-FPELIM-NEXT: sw a0, 8(sp)
|
|
; RV32I-FPELIM-NEXT: addi a0, zero, 2
|
|
; RV32I-FPELIM-NEXT: sw a0, 28(sp)
|
|
; RV32I-FPELIM-NEXT: sw a0, 12(sp)
|
|
; RV32I-FPELIM-NEXT: addi a0, zero, 3
|
|
; RV32I-FPELIM-NEXT: sw a0, 32(sp)
|
|
; RV32I-FPELIM-NEXT: sw a0, 16(sp)
|
|
; RV32I-FPELIM-NEXT: addi a0, zero, 4
|
|
; RV32I-FPELIM-NEXT: sw a0, 36(sp)
|
|
; RV32I-FPELIM-NEXT: sw a0, 20(sp)
|
|
; RV32I-FPELIM-NEXT: addi a0, sp, 8
|
|
; RV32I-FPELIM-NEXT: call callee_large_struct
|
|
; RV32I-FPELIM-NEXT: lw ra, 44(sp)
|
|
; RV32I-FPELIM-NEXT: addi sp, sp, 48
|
|
; RV32I-FPELIM-NEXT: ret
|
|
;
|
|
; RV32I-WITHFP-LABEL: caller_large_struct:
|
|
; RV32I-WITHFP: # %bb.0:
|
|
; RV32I-WITHFP-NEXT: addi sp, sp, -48
|
|
; RV32I-WITHFP-NEXT: sw ra, 44(sp)
|
|
; RV32I-WITHFP-NEXT: sw s0, 40(sp)
|
|
; RV32I-WITHFP-NEXT: addi s0, sp, 48
|
|
; RV32I-WITHFP-NEXT: addi a0, zero, 1
|
|
; RV32I-WITHFP-NEXT: sw a0, -24(s0)
|
|
; RV32I-WITHFP-NEXT: sw a0, -40(s0)
|
|
; RV32I-WITHFP-NEXT: addi a0, zero, 2
|
|
; RV32I-WITHFP-NEXT: sw a0, -20(s0)
|
|
; RV32I-WITHFP-NEXT: sw a0, -36(s0)
|
|
; RV32I-WITHFP-NEXT: addi a0, zero, 3
|
|
; RV32I-WITHFP-NEXT: sw a0, -16(s0)
|
|
; RV32I-WITHFP-NEXT: sw a0, -32(s0)
|
|
; RV32I-WITHFP-NEXT: addi a0, zero, 4
|
|
; RV32I-WITHFP-NEXT: sw a0, -12(s0)
|
|
; RV32I-WITHFP-NEXT: sw a0, -28(s0)
|
|
; RV32I-WITHFP-NEXT: addi a0, s0, -40
|
|
; RV32I-WITHFP-NEXT: call callee_large_struct
|
|
; RV32I-WITHFP-NEXT: lw s0, 40(sp)
|
|
; RV32I-WITHFP-NEXT: lw ra, 44(sp)
|
|
; RV32I-WITHFP-NEXT: addi sp, sp, 48
|
|
; RV32I-WITHFP-NEXT: ret
|
|
%ls = alloca %struct.large, align 4
|
|
%1 = bitcast %struct.large* %ls to i8*
|
|
%a = getelementptr inbounds %struct.large, %struct.large* %ls, i32 0, i32 0
|
|
store i32 1, i32* %a
|
|
%b = getelementptr inbounds %struct.large, %struct.large* %ls, i32 0, i32 1
|
|
store i32 2, i32* %b
|
|
%c = getelementptr inbounds %struct.large, %struct.large* %ls, i32 0, i32 2
|
|
store i32 3, i32* %c
|
|
%d = getelementptr inbounds %struct.large, %struct.large* %ls, i32 0, i32 3
|
|
store i32 4, i32* %d
|
|
%2 = call i32 @callee_large_struct(%struct.large* byval align 4 %ls)
|
|
ret i32 %2
|
|
}
|
|
|
|
; Check 2x*xlen values are aligned appropriately when passed on the stack
|
|
; Must keep define on a single line due to an update_llc_test_checks.py limitation
|
|
define i32 @callee_aligned_stack(i32 %a, i32 %b, fp128 %c, i32 %d, i32 %e, i64 %f, i32 %g, i32 %h, i64 %i, i32 %j, [2 x i32] %k) nounwind {
|
|
; The i64 should be 8-byte aligned on the stack, but the two-element array
|
|
; should only be 4-byte aligned
|
|
; RV32I-FPELIM-LABEL: callee_aligned_stack:
|
|
; RV32I-FPELIM: # %bb.0:
|
|
; RV32I-FPELIM-NEXT: lw a0, 0(a2)
|
|
; RV32I-FPELIM-NEXT: add a0, a0, a7
|
|
; RV32I-FPELIM-NEXT: lw a1, 0(sp)
|
|
; RV32I-FPELIM-NEXT: add a0, a0, a1
|
|
; RV32I-FPELIM-NEXT: lw a1, 8(sp)
|
|
; RV32I-FPELIM-NEXT: add a0, a0, a1
|
|
; RV32I-FPELIM-NEXT: lw a1, 16(sp)
|
|
; RV32I-FPELIM-NEXT: add a0, a0, a1
|
|
; RV32I-FPELIM-NEXT: lw a1, 20(sp)
|
|
; RV32I-FPELIM-NEXT: add a0, a0, a1
|
|
; RV32I-FPELIM-NEXT: ret
|
|
;
|
|
; RV32I-WITHFP-LABEL: callee_aligned_stack:
|
|
; RV32I-WITHFP: # %bb.0:
|
|
; RV32I-WITHFP-NEXT: addi sp, sp, -16
|
|
; RV32I-WITHFP-NEXT: sw ra, 12(sp)
|
|
; RV32I-WITHFP-NEXT: sw s0, 8(sp)
|
|
; RV32I-WITHFP-NEXT: addi s0, sp, 16
|
|
; RV32I-WITHFP-NEXT: lw a0, 0(a2)
|
|
; RV32I-WITHFP-NEXT: add a0, a0, a7
|
|
; RV32I-WITHFP-NEXT: lw a1, 0(s0)
|
|
; RV32I-WITHFP-NEXT: add a0, a0, a1
|
|
; RV32I-WITHFP-NEXT: lw a1, 8(s0)
|
|
; RV32I-WITHFP-NEXT: add a0, a0, a1
|
|
; RV32I-WITHFP-NEXT: lw a1, 16(s0)
|
|
; RV32I-WITHFP-NEXT: add a0, a0, a1
|
|
; RV32I-WITHFP-NEXT: lw a1, 20(s0)
|
|
; RV32I-WITHFP-NEXT: add a0, a0, a1
|
|
; RV32I-WITHFP-NEXT: lw s0, 8(sp)
|
|
; RV32I-WITHFP-NEXT: lw ra, 12(sp)
|
|
; RV32I-WITHFP-NEXT: addi sp, sp, 16
|
|
; RV32I-WITHFP-NEXT: ret
|
|
%1 = bitcast fp128 %c to i128
|
|
%2 = trunc i128 %1 to i32
|
|
%3 = add i32 %2, %g
|
|
%4 = add i32 %3, %h
|
|
%5 = trunc i64 %i to i32
|
|
%6 = add i32 %4, %5
|
|
%7 = add i32 %6, %j
|
|
%8 = extractvalue [2 x i32] %k, 0
|
|
%9 = add i32 %7, %8
|
|
ret i32 %9
|
|
}
|
|
|
|
define void @caller_aligned_stack() nounwind {
|
|
; The i64 should be 8-byte aligned on the stack, but the two-element array
|
|
; should only be 4-byte aligned
|
|
; RV32I-FPELIM-LABEL: caller_aligned_stack:
|
|
; RV32I-FPELIM: # %bb.0:
|
|
; RV32I-FPELIM-NEXT: addi sp, sp, -64
|
|
; RV32I-FPELIM-NEXT: sw ra, 60(sp)
|
|
; RV32I-FPELIM-NEXT: addi a0, zero, 19
|
|
; RV32I-FPELIM-NEXT: sw a0, 24(sp)
|
|
; RV32I-FPELIM-NEXT: addi a0, zero, 18
|
|
; RV32I-FPELIM-NEXT: sw a0, 20(sp)
|
|
; RV32I-FPELIM-NEXT: addi a0, zero, 17
|
|
; RV32I-FPELIM-NEXT: sw a0, 16(sp)
|
|
; RV32I-FPELIM-NEXT: sw zero, 12(sp)
|
|
; RV32I-FPELIM-NEXT: addi a0, zero, 16
|
|
; RV32I-FPELIM-NEXT: sw a0, 8(sp)
|
|
; RV32I-FPELIM-NEXT: addi a0, zero, 15
|
|
; RV32I-FPELIM-NEXT: sw a0, 0(sp)
|
|
; RV32I-FPELIM-NEXT: lui a0, 262153
|
|
; RV32I-FPELIM-NEXT: addi a0, a0, 491
|
|
; RV32I-FPELIM-NEXT: sw a0, 44(sp)
|
|
; RV32I-FPELIM-NEXT: lui a0, 545260
|
|
; RV32I-FPELIM-NEXT: addi a0, a0, -1967
|
|
; RV32I-FPELIM-NEXT: sw a0, 40(sp)
|
|
; RV32I-FPELIM-NEXT: lui a0, 964690
|
|
; RV32I-FPELIM-NEXT: addi a0, a0, -328
|
|
; RV32I-FPELIM-NEXT: sw a0, 36(sp)
|
|
; RV32I-FPELIM-NEXT: lui a0, 335544
|
|
; RV32I-FPELIM-NEXT: addi a0, a0, 1311
|
|
; RV32I-FPELIM-NEXT: sw a0, 32(sp)
|
|
; RV32I-FPELIM-NEXT: lui a0, 688509
|
|
; RV32I-FPELIM-NEXT: addi a5, a0, -2048
|
|
; RV32I-FPELIM-NEXT: addi a2, sp, 32
|
|
; RV32I-FPELIM-NEXT: addi a0, zero, 1
|
|
; RV32I-FPELIM-NEXT: addi a1, zero, 11
|
|
; RV32I-FPELIM-NEXT: addi a3, zero, 12
|
|
; RV32I-FPELIM-NEXT: addi a4, zero, 13
|
|
; RV32I-FPELIM-NEXT: addi a6, zero, 4
|
|
; RV32I-FPELIM-NEXT: addi a7, zero, 14
|
|
; RV32I-FPELIM-NEXT: call callee_aligned_stack
|
|
; RV32I-FPELIM-NEXT: lw ra, 60(sp)
|
|
; RV32I-FPELIM-NEXT: addi sp, sp, 64
|
|
; RV32I-FPELIM-NEXT: ret
|
|
;
|
|
; RV32I-WITHFP-LABEL: caller_aligned_stack:
|
|
; RV32I-WITHFP: # %bb.0:
|
|
; RV32I-WITHFP-NEXT: addi sp, sp, -64
|
|
; RV32I-WITHFP-NEXT: sw ra, 60(sp)
|
|
; RV32I-WITHFP-NEXT: sw s0, 56(sp)
|
|
; RV32I-WITHFP-NEXT: addi s0, sp, 64
|
|
; RV32I-WITHFP-NEXT: addi a0, zero, 19
|
|
; RV32I-WITHFP-NEXT: sw a0, 24(sp)
|
|
; RV32I-WITHFP-NEXT: addi a0, zero, 18
|
|
; RV32I-WITHFP-NEXT: sw a0, 20(sp)
|
|
; RV32I-WITHFP-NEXT: addi a0, zero, 17
|
|
; RV32I-WITHFP-NEXT: sw a0, 16(sp)
|
|
; RV32I-WITHFP-NEXT: sw zero, 12(sp)
|
|
; RV32I-WITHFP-NEXT: addi a0, zero, 16
|
|
; RV32I-WITHFP-NEXT: sw a0, 8(sp)
|
|
; RV32I-WITHFP-NEXT: addi a0, zero, 15
|
|
; RV32I-WITHFP-NEXT: sw a0, 0(sp)
|
|
; RV32I-WITHFP-NEXT: lui a0, 262153
|
|
; RV32I-WITHFP-NEXT: addi a0, a0, 491
|
|
; RV32I-WITHFP-NEXT: sw a0, -20(s0)
|
|
; RV32I-WITHFP-NEXT: lui a0, 545260
|
|
; RV32I-WITHFP-NEXT: addi a0, a0, -1967
|
|
; RV32I-WITHFP-NEXT: sw a0, -24(s0)
|
|
; RV32I-WITHFP-NEXT: lui a0, 964690
|
|
; RV32I-WITHFP-NEXT: addi a0, a0, -328
|
|
; RV32I-WITHFP-NEXT: sw a0, -28(s0)
|
|
; RV32I-WITHFP-NEXT: lui a0, 335544
|
|
; RV32I-WITHFP-NEXT: addi a0, a0, 1311
|
|
; RV32I-WITHFP-NEXT: sw a0, -32(s0)
|
|
; RV32I-WITHFP-NEXT: lui a0, 688509
|
|
; RV32I-WITHFP-NEXT: addi a5, a0, -2048
|
|
; RV32I-WITHFP-NEXT: addi a2, s0, -32
|
|
; RV32I-WITHFP-NEXT: addi a0, zero, 1
|
|
; RV32I-WITHFP-NEXT: addi a1, zero, 11
|
|
; RV32I-WITHFP-NEXT: addi a3, zero, 12
|
|
; RV32I-WITHFP-NEXT: addi a4, zero, 13
|
|
; RV32I-WITHFP-NEXT: addi a6, zero, 4
|
|
; RV32I-WITHFP-NEXT: addi a7, zero, 14
|
|
; RV32I-WITHFP-NEXT: call callee_aligned_stack
|
|
; RV32I-WITHFP-NEXT: lw s0, 56(sp)
|
|
; RV32I-WITHFP-NEXT: lw ra, 60(sp)
|
|
; RV32I-WITHFP-NEXT: addi sp, sp, 64
|
|
; RV32I-WITHFP-NEXT: ret
|
|
%1 = call i32 @callee_aligned_stack(i32 1, i32 11,
|
|
fp128 0xLEB851EB851EB851F400091EB851EB851, i32 12, i32 13,
|
|
i64 20000000000, i32 14, i32 15, i64 16, i32 17,
|
|
[2 x i32] [i32 18, i32 19])
|
|
ret void
|
|
}
|
|
|
|
; Check return of 2x xlen scalars
|
|
|
|
define i64 @callee_small_scalar_ret() nounwind {
|
|
; RV32I-FPELIM-LABEL: callee_small_scalar_ret:
|
|
; RV32I-FPELIM: # %bb.0:
|
|
; RV32I-FPELIM-NEXT: lui a0, 466866
|
|
; RV32I-FPELIM-NEXT: addi a0, a0, 1677
|
|
; RV32I-FPELIM-NEXT: addi a1, zero, 287
|
|
; RV32I-FPELIM-NEXT: ret
|
|
;
|
|
; RV32I-WITHFP-LABEL: callee_small_scalar_ret:
|
|
; RV32I-WITHFP: # %bb.0:
|
|
; RV32I-WITHFP-NEXT: addi sp, sp, -16
|
|
; RV32I-WITHFP-NEXT: sw ra, 12(sp)
|
|
; RV32I-WITHFP-NEXT: sw s0, 8(sp)
|
|
; RV32I-WITHFP-NEXT: addi s0, sp, 16
|
|
; RV32I-WITHFP-NEXT: lui a0, 466866
|
|
; RV32I-WITHFP-NEXT: addi a0, a0, 1677
|
|
; RV32I-WITHFP-NEXT: addi a1, zero, 287
|
|
; RV32I-WITHFP-NEXT: lw s0, 8(sp)
|
|
; RV32I-WITHFP-NEXT: lw ra, 12(sp)
|
|
; RV32I-WITHFP-NEXT: addi sp, sp, 16
|
|
; RV32I-WITHFP-NEXT: ret
|
|
ret i64 1234567898765
|
|
}
|
|
|
|
define i32 @caller_small_scalar_ret() nounwind {
|
|
; RV32I-FPELIM-LABEL: caller_small_scalar_ret:
|
|
; RV32I-FPELIM: # %bb.0:
|
|
; RV32I-FPELIM-NEXT: addi sp, sp, -16
|
|
; RV32I-FPELIM-NEXT: sw ra, 12(sp)
|
|
; RV32I-FPELIM-NEXT: sw s0, 8(sp)
|
|
; RV32I-FPELIM-NEXT: lui a0, 56
|
|
; RV32I-FPELIM-NEXT: addi s0, a0, 580
|
|
; RV32I-FPELIM-NEXT: call callee_small_scalar_ret
|
|
; RV32I-FPELIM-NEXT: xor a1, a1, s0
|
|
; RV32I-FPELIM-NEXT: lui a2, 200614
|
|
; RV32I-FPELIM-NEXT: addi a2, a2, 647
|
|
; RV32I-FPELIM-NEXT: xor a0, a0, a2
|
|
; RV32I-FPELIM-NEXT: or a0, a0, a1
|
|
; RV32I-FPELIM-NEXT: seqz a0, a0
|
|
; RV32I-FPELIM-NEXT: lw s0, 8(sp)
|
|
; RV32I-FPELIM-NEXT: lw ra, 12(sp)
|
|
; RV32I-FPELIM-NEXT: addi sp, sp, 16
|
|
; RV32I-FPELIM-NEXT: ret
|
|
;
|
|
; RV32I-WITHFP-LABEL: caller_small_scalar_ret:
|
|
; RV32I-WITHFP: # %bb.0:
|
|
; RV32I-WITHFP-NEXT: addi sp, sp, -16
|
|
; RV32I-WITHFP-NEXT: sw ra, 12(sp)
|
|
; RV32I-WITHFP-NEXT: sw s0, 8(sp)
|
|
; RV32I-WITHFP-NEXT: sw s1, 4(sp)
|
|
; RV32I-WITHFP-NEXT: addi s0, sp, 16
|
|
; RV32I-WITHFP-NEXT: lui a0, 56
|
|
; RV32I-WITHFP-NEXT: addi s1, a0, 580
|
|
; RV32I-WITHFP-NEXT: call callee_small_scalar_ret
|
|
; RV32I-WITHFP-NEXT: xor a1, a1, s1
|
|
; RV32I-WITHFP-NEXT: lui a2, 200614
|
|
; RV32I-WITHFP-NEXT: addi a2, a2, 647
|
|
; RV32I-WITHFP-NEXT: xor a0, a0, a2
|
|
; RV32I-WITHFP-NEXT: or a0, a0, a1
|
|
; RV32I-WITHFP-NEXT: seqz a0, a0
|
|
; RV32I-WITHFP-NEXT: lw s1, 4(sp)
|
|
; RV32I-WITHFP-NEXT: lw s0, 8(sp)
|
|
; RV32I-WITHFP-NEXT: lw ra, 12(sp)
|
|
; RV32I-WITHFP-NEXT: addi sp, sp, 16
|
|
; RV32I-WITHFP-NEXT: ret
|
|
%1 = call i64 @callee_small_scalar_ret()
|
|
%2 = icmp eq i64 987654321234567, %1
|
|
%3 = zext i1 %2 to i32
|
|
ret i32 %3
|
|
}
|
|
|
|
; Check return of 2x xlen structs
|
|
|
|
define %struct.small @callee_small_struct_ret() nounwind {
|
|
; RV32I-FPELIM-LABEL: callee_small_struct_ret:
|
|
; RV32I-FPELIM: # %bb.0:
|
|
; RV32I-FPELIM-NEXT: addi a0, zero, 1
|
|
; RV32I-FPELIM-NEXT: mv a1, zero
|
|
; RV32I-FPELIM-NEXT: ret
|
|
;
|
|
; RV32I-WITHFP-LABEL: callee_small_struct_ret:
|
|
; RV32I-WITHFP: # %bb.0:
|
|
; RV32I-WITHFP-NEXT: addi sp, sp, -16
|
|
; RV32I-WITHFP-NEXT: sw ra, 12(sp)
|
|
; RV32I-WITHFP-NEXT: sw s0, 8(sp)
|
|
; RV32I-WITHFP-NEXT: addi s0, sp, 16
|
|
; RV32I-WITHFP-NEXT: addi a0, zero, 1
|
|
; RV32I-WITHFP-NEXT: mv a1, zero
|
|
; RV32I-WITHFP-NEXT: lw s0, 8(sp)
|
|
; RV32I-WITHFP-NEXT: lw ra, 12(sp)
|
|
; RV32I-WITHFP-NEXT: addi sp, sp, 16
|
|
; RV32I-WITHFP-NEXT: ret
|
|
ret %struct.small { i32 1, i32* null }
|
|
}
|
|
|
|
define i32 @caller_small_struct_ret() nounwind {
|
|
; RV32I-FPELIM-LABEL: caller_small_struct_ret:
|
|
; RV32I-FPELIM: # %bb.0:
|
|
; RV32I-FPELIM-NEXT: addi sp, sp, -16
|
|
; RV32I-FPELIM-NEXT: sw ra, 12(sp)
|
|
; RV32I-FPELIM-NEXT: call callee_small_struct_ret
|
|
; RV32I-FPELIM-NEXT: add a0, a0, a1
|
|
; RV32I-FPELIM-NEXT: lw ra, 12(sp)
|
|
; RV32I-FPELIM-NEXT: addi sp, sp, 16
|
|
; RV32I-FPELIM-NEXT: ret
|
|
;
|
|
; RV32I-WITHFP-LABEL: caller_small_struct_ret:
|
|
; RV32I-WITHFP: # %bb.0:
|
|
; RV32I-WITHFP-NEXT: addi sp, sp, -16
|
|
; RV32I-WITHFP-NEXT: sw ra, 12(sp)
|
|
; RV32I-WITHFP-NEXT: sw s0, 8(sp)
|
|
; RV32I-WITHFP-NEXT: addi s0, sp, 16
|
|
; RV32I-WITHFP-NEXT: call callee_small_struct_ret
|
|
; RV32I-WITHFP-NEXT: add a0, a0, a1
|
|
; RV32I-WITHFP-NEXT: lw s0, 8(sp)
|
|
; RV32I-WITHFP-NEXT: lw ra, 12(sp)
|
|
; RV32I-WITHFP-NEXT: addi sp, sp, 16
|
|
; RV32I-WITHFP-NEXT: ret
|
|
%1 = call %struct.small @callee_small_struct_ret()
|
|
%2 = extractvalue %struct.small %1, 0
|
|
%3 = extractvalue %struct.small %1, 1
|
|
%4 = ptrtoint i32* %3 to i32
|
|
%5 = add i32 %2, %4
|
|
ret i32 %5
|
|
}
|
|
|
|
; Check return of >2x xlen scalars
|
|
|
|
define fp128 @callee_large_scalar_ret() nounwind {
|
|
; RV32I-FPELIM-LABEL: callee_large_scalar_ret:
|
|
; RV32I-FPELIM: # %bb.0:
|
|
; RV32I-FPELIM-NEXT: lui a1, 524272
|
|
; RV32I-FPELIM-NEXT: sw a1, 12(a0)
|
|
; RV32I-FPELIM-NEXT: sw zero, 8(a0)
|
|
; RV32I-FPELIM-NEXT: sw zero, 4(a0)
|
|
; RV32I-FPELIM-NEXT: sw zero, 0(a0)
|
|
; RV32I-FPELIM-NEXT: ret
|
|
;
|
|
; RV32I-WITHFP-LABEL: callee_large_scalar_ret:
|
|
; RV32I-WITHFP: # %bb.0:
|
|
; RV32I-WITHFP-NEXT: addi sp, sp, -16
|
|
; RV32I-WITHFP-NEXT: sw ra, 12(sp)
|
|
; RV32I-WITHFP-NEXT: sw s0, 8(sp)
|
|
; RV32I-WITHFP-NEXT: addi s0, sp, 16
|
|
; RV32I-WITHFP-NEXT: lui a1, 524272
|
|
; RV32I-WITHFP-NEXT: sw a1, 12(a0)
|
|
; RV32I-WITHFP-NEXT: sw zero, 8(a0)
|
|
; RV32I-WITHFP-NEXT: sw zero, 4(a0)
|
|
; RV32I-WITHFP-NEXT: sw zero, 0(a0)
|
|
; RV32I-WITHFP-NEXT: lw s0, 8(sp)
|
|
; RV32I-WITHFP-NEXT: lw ra, 12(sp)
|
|
; RV32I-WITHFP-NEXT: addi sp, sp, 16
|
|
; RV32I-WITHFP-NEXT: ret
|
|
ret fp128 0xL00000000000000007FFF000000000000
|
|
}
|
|
|
|
define void @caller_large_scalar_ret() nounwind {
|
|
; RV32I-FPELIM-LABEL: caller_large_scalar_ret:
|
|
; RV32I-FPELIM: # %bb.0:
|
|
; RV32I-FPELIM-NEXT: addi sp, sp, -32
|
|
; RV32I-FPELIM-NEXT: sw ra, 28(sp)
|
|
; RV32I-FPELIM-NEXT: mv a0, sp
|
|
; RV32I-FPELIM-NEXT: call callee_large_scalar_ret
|
|
; RV32I-FPELIM-NEXT: lw ra, 28(sp)
|
|
; RV32I-FPELIM-NEXT: addi sp, sp, 32
|
|
; RV32I-FPELIM-NEXT: ret
|
|
;
|
|
; RV32I-WITHFP-LABEL: caller_large_scalar_ret:
|
|
; RV32I-WITHFP: # %bb.0:
|
|
; RV32I-WITHFP-NEXT: addi sp, sp, -32
|
|
; RV32I-WITHFP-NEXT: sw ra, 28(sp)
|
|
; RV32I-WITHFP-NEXT: sw s0, 24(sp)
|
|
; RV32I-WITHFP-NEXT: addi s0, sp, 32
|
|
; RV32I-WITHFP-NEXT: addi a0, s0, -32
|
|
; RV32I-WITHFP-NEXT: call callee_large_scalar_ret
|
|
; RV32I-WITHFP-NEXT: lw s0, 24(sp)
|
|
; RV32I-WITHFP-NEXT: lw ra, 28(sp)
|
|
; RV32I-WITHFP-NEXT: addi sp, sp, 32
|
|
; RV32I-WITHFP-NEXT: ret
|
|
%1 = call fp128 @callee_large_scalar_ret()
|
|
ret void
|
|
}
|
|
|
|
; Check return of >2x xlen structs
|
|
|
|
define void @callee_large_struct_ret(%struct.large* noalias sret %agg.result) nounwind {
|
|
; RV32I-FPELIM-LABEL: callee_large_struct_ret:
|
|
; RV32I-FPELIM: # %bb.0:
|
|
; RV32I-FPELIM-NEXT: addi a1, zero, 4
|
|
; RV32I-FPELIM-NEXT: sw a1, 12(a0)
|
|
; RV32I-FPELIM-NEXT: addi a1, zero, 3
|
|
; RV32I-FPELIM-NEXT: sw a1, 8(a0)
|
|
; RV32I-FPELIM-NEXT: addi a1, zero, 2
|
|
; RV32I-FPELIM-NEXT: sw a1, 4(a0)
|
|
; RV32I-FPELIM-NEXT: addi a1, zero, 1
|
|
; RV32I-FPELIM-NEXT: sw a1, 0(a0)
|
|
; RV32I-FPELIM-NEXT: ret
|
|
;
|
|
; RV32I-WITHFP-LABEL: callee_large_struct_ret:
|
|
; RV32I-WITHFP: # %bb.0:
|
|
; RV32I-WITHFP-NEXT: addi sp, sp, -16
|
|
; RV32I-WITHFP-NEXT: sw ra, 12(sp)
|
|
; RV32I-WITHFP-NEXT: sw s0, 8(sp)
|
|
; RV32I-WITHFP-NEXT: addi s0, sp, 16
|
|
; RV32I-WITHFP-NEXT: addi a1, zero, 4
|
|
; RV32I-WITHFP-NEXT: sw a1, 12(a0)
|
|
; RV32I-WITHFP-NEXT: addi a1, zero, 3
|
|
; RV32I-WITHFP-NEXT: sw a1, 8(a0)
|
|
; RV32I-WITHFP-NEXT: addi a1, zero, 2
|
|
; RV32I-WITHFP-NEXT: sw a1, 4(a0)
|
|
; RV32I-WITHFP-NEXT: addi a1, zero, 1
|
|
; RV32I-WITHFP-NEXT: sw a1, 0(a0)
|
|
; RV32I-WITHFP-NEXT: lw s0, 8(sp)
|
|
; RV32I-WITHFP-NEXT: lw ra, 12(sp)
|
|
; RV32I-WITHFP-NEXT: addi sp, sp, 16
|
|
; RV32I-WITHFP-NEXT: ret
|
|
%a = getelementptr inbounds %struct.large, %struct.large* %agg.result, i32 0, i32 0
|
|
store i32 1, i32* %a, align 4
|
|
%b = getelementptr inbounds %struct.large, %struct.large* %agg.result, i32 0, i32 1
|
|
store i32 2, i32* %b, align 4
|
|
%c = getelementptr inbounds %struct.large, %struct.large* %agg.result, i32 0, i32 2
|
|
store i32 3, i32* %c, align 4
|
|
%d = getelementptr inbounds %struct.large, %struct.large* %agg.result, i32 0, i32 3
|
|
store i32 4, i32* %d, align 4
|
|
ret void
|
|
}
|
|
|
|
define i32 @caller_large_struct_ret() nounwind {
|
|
; RV32I-FPELIM-LABEL: caller_large_struct_ret:
|
|
; RV32I-FPELIM: # %bb.0:
|
|
; RV32I-FPELIM-NEXT: addi sp, sp, -32
|
|
; RV32I-FPELIM-NEXT: sw ra, 28(sp)
|
|
; RV32I-FPELIM-NEXT: addi a0, sp, 8
|
|
; RV32I-FPELIM-NEXT: call callee_large_struct_ret
|
|
; RV32I-FPELIM-NEXT: lw a0, 20(sp)
|
|
; RV32I-FPELIM-NEXT: lw a1, 8(sp)
|
|
; RV32I-FPELIM-NEXT: add a0, a1, a0
|
|
; RV32I-FPELIM-NEXT: lw ra, 28(sp)
|
|
; RV32I-FPELIM-NEXT: addi sp, sp, 32
|
|
; RV32I-FPELIM-NEXT: ret
|
|
;
|
|
; RV32I-WITHFP-LABEL: caller_large_struct_ret:
|
|
; RV32I-WITHFP: # %bb.0:
|
|
; RV32I-WITHFP-NEXT: addi sp, sp, -32
|
|
; RV32I-WITHFP-NEXT: sw ra, 28(sp)
|
|
; RV32I-WITHFP-NEXT: sw s0, 24(sp)
|
|
; RV32I-WITHFP-NEXT: addi s0, sp, 32
|
|
; RV32I-WITHFP-NEXT: addi a0, s0, -24
|
|
; RV32I-WITHFP-NEXT: call callee_large_struct_ret
|
|
; RV32I-WITHFP-NEXT: lw a0, -12(s0)
|
|
; RV32I-WITHFP-NEXT: lw a1, -24(s0)
|
|
; RV32I-WITHFP-NEXT: add a0, a1, a0
|
|
; RV32I-WITHFP-NEXT: lw s0, 24(sp)
|
|
; RV32I-WITHFP-NEXT: lw ra, 28(sp)
|
|
; RV32I-WITHFP-NEXT: addi sp, sp, 32
|
|
; RV32I-WITHFP-NEXT: ret
|
|
%1 = alloca %struct.large
|
|
call void @callee_large_struct_ret(%struct.large* sret %1)
|
|
%2 = getelementptr inbounds %struct.large, %struct.large* %1, i32 0, i32 0
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%3 = load i32, i32* %2
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%4 = getelementptr inbounds %struct.large, %struct.large* %1, i32 0, i32 3
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%5 = load i32, i32* %4
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|
%6 = add i32 %3, %5
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ret i32 %6
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}
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