2019-08-26 04:48:14 +08:00
|
|
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
|
2015-10-25 19:42:46 +08:00
|
|
|
; RUN: llc -O3 -disable-peephole -mtriple=x86_64-unknown-unknown < %s | FileCheck %s
|
2015-06-08 02:34:25 +08:00
|
|
|
|
|
|
|
|
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
|
|
|
|
|
target triple = "x86_64-unknown-unknown"
|
|
|
|
|
|
|
|
|
|
; Stack reload folding tests.
|
|
|
|
|
;
|
|
|
|
|
; By including a nop call with sideeffects we can force a partial register spill of the
|
|
|
|
|
; relevant registers and check that the reload is correctly folded into the instruction.
|
|
|
|
|
|
|
|
|
|
;TODO stack_fold_bsf_i16
|
|
|
|
|
declare i16 @llvm.cttz.i16(i16, i1)
|
|
|
|
|
|
|
|
|
|
define i32 @stack_fold_bsf_i32(i32 %a0) {
|
2019-08-26 04:48:14 +08:00
|
|
|
; CHECK-LABEL: stack_fold_bsf_i32:
|
|
|
|
|
; CHECK: # %bb.0:
|
|
|
|
|
; CHECK-NEXT: pushq %rbp
|
|
|
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 16
|
|
|
|
|
; CHECK-NEXT: pushq %r15
|
|
|
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 24
|
|
|
|
|
; CHECK-NEXT: pushq %r14
|
|
|
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 32
|
|
|
|
|
; CHECK-NEXT: pushq %r13
|
|
|
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 40
|
|
|
|
|
; CHECK-NEXT: pushq %r12
|
|
|
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 48
|
|
|
|
|
; CHECK-NEXT: pushq %rbx
|
|
|
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 56
|
|
|
|
|
; CHECK-NEXT: .cfi_offset %rbx, -56
|
|
|
|
|
; CHECK-NEXT: .cfi_offset %r12, -48
|
|
|
|
|
; CHECK-NEXT: .cfi_offset %r13, -40
|
|
|
|
|
; CHECK-NEXT: .cfi_offset %r14, -32
|
|
|
|
|
; CHECK-NEXT: .cfi_offset %r15, -24
|
|
|
|
|
; CHECK-NEXT: .cfi_offset %rbp, -16
|
|
|
|
|
; CHECK-NEXT: movl %edi, {{[-0-9]+}}(%r{{[sb]}}p) # 4-byte Spill
|
|
|
|
|
; CHECK-NEXT: #APP
|
|
|
|
|
; CHECK-NEXT: nop
|
|
|
|
|
; CHECK-NEXT: #NO_APP
|
|
|
|
|
; CHECK-NEXT: bsfl {{[-0-9]+}}(%r{{[sb]}}p), %eax # 4-byte Folded Reload
|
|
|
|
|
; CHECK-NEXT: popq %rbx
|
|
|
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 48
|
|
|
|
|
; CHECK-NEXT: popq %r12
|
|
|
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 40
|
|
|
|
|
; CHECK-NEXT: popq %r13
|
|
|
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 32
|
|
|
|
|
; CHECK-NEXT: popq %r14
|
|
|
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 24
|
|
|
|
|
; CHECK-NEXT: popq %r15
|
|
|
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 16
|
|
|
|
|
; CHECK-NEXT: popq %rbp
|
|
|
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 8
|
|
|
|
|
; CHECK-NEXT: retq
|
2015-06-08 02:34:25 +08:00
|
|
|
%1 = tail call i64 asm sideeffect "nop", "=x,~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{rbp},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15}"()
|
|
|
|
|
%2 = call i32 @llvm.cttz.i32(i32 %a0, i1 -1)
|
|
|
|
|
ret i32 %2
|
|
|
|
|
}
|
|
|
|
|
declare i32 @llvm.cttz.i32(i32, i1)
|
|
|
|
|
|
|
|
|
|
define i64 @stack_fold_bsf_i64(i64 %a0) {
|
2019-08-26 04:48:14 +08:00
|
|
|
; CHECK-LABEL: stack_fold_bsf_i64:
|
|
|
|
|
; CHECK: # %bb.0:
|
|
|
|
|
; CHECK-NEXT: pushq %rbp
|
|
|
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 16
|
|
|
|
|
; CHECK-NEXT: pushq %r15
|
|
|
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 24
|
|
|
|
|
; CHECK-NEXT: pushq %r14
|
|
|
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 32
|
|
|
|
|
; CHECK-NEXT: pushq %r13
|
|
|
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 40
|
|
|
|
|
; CHECK-NEXT: pushq %r12
|
|
|
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 48
|
|
|
|
|
; CHECK-NEXT: pushq %rbx
|
|
|
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 56
|
|
|
|
|
; CHECK-NEXT: .cfi_offset %rbx, -56
|
|
|
|
|
; CHECK-NEXT: .cfi_offset %r12, -48
|
|
|
|
|
; CHECK-NEXT: .cfi_offset %r13, -40
|
|
|
|
|
; CHECK-NEXT: .cfi_offset %r14, -32
|
|
|
|
|
; CHECK-NEXT: .cfi_offset %r15, -24
|
|
|
|
|
; CHECK-NEXT: .cfi_offset %rbp, -16
|
|
|
|
|
; CHECK-NEXT: movq %rdi, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
|
|
|
|
|
; CHECK-NEXT: #APP
|
|
|
|
|
; CHECK-NEXT: nop
|
|
|
|
|
; CHECK-NEXT: #NO_APP
|
|
|
|
|
; CHECK-NEXT: bsfq {{[-0-9]+}}(%r{{[sb]}}p), %rax # 8-byte Folded Reload
|
|
|
|
|
; CHECK-NEXT: popq %rbx
|
|
|
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 48
|
|
|
|
|
; CHECK-NEXT: popq %r12
|
|
|
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 40
|
|
|
|
|
; CHECK-NEXT: popq %r13
|
|
|
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 32
|
|
|
|
|
; CHECK-NEXT: popq %r14
|
|
|
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 24
|
|
|
|
|
; CHECK-NEXT: popq %r15
|
|
|
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 16
|
|
|
|
|
; CHECK-NEXT: popq %rbp
|
|
|
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 8
|
|
|
|
|
; CHECK-NEXT: retq
|
2015-06-08 02:34:25 +08:00
|
|
|
%1 = tail call i64 asm sideeffect "nop", "=x,~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{rbp},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15}"()
|
|
|
|
|
%2 = call i64 @llvm.cttz.i64(i64 %a0, i1 -1)
|
|
|
|
|
ret i64 %2
|
|
|
|
|
}
|
|
|
|
|
declare i64 @llvm.cttz.i64(i64, i1)
|
|
|
|
|
|
|
|
|
|
;TODO stack_fold_bsr_i16
|
|
|
|
|
declare i16 @llvm.ctlz.i16(i16, i1)
|
|
|
|
|
|
|
|
|
|
define i32 @stack_fold_bsr_i32(i32 %a0) {
|
2019-08-26 04:48:14 +08:00
|
|
|
; CHECK-LABEL: stack_fold_bsr_i32:
|
|
|
|
|
; CHECK: # %bb.0:
|
|
|
|
|
; CHECK-NEXT: pushq %rbp
|
|
|
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 16
|
|
|
|
|
; CHECK-NEXT: pushq %r15
|
|
|
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 24
|
|
|
|
|
; CHECK-NEXT: pushq %r14
|
|
|
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 32
|
|
|
|
|
; CHECK-NEXT: pushq %r13
|
|
|
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 40
|
|
|
|
|
; CHECK-NEXT: pushq %r12
|
|
|
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 48
|
|
|
|
|
; CHECK-NEXT: pushq %rbx
|
|
|
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 56
|
|
|
|
|
; CHECK-NEXT: .cfi_offset %rbx, -56
|
|
|
|
|
; CHECK-NEXT: .cfi_offset %r12, -48
|
|
|
|
|
; CHECK-NEXT: .cfi_offset %r13, -40
|
|
|
|
|
; CHECK-NEXT: .cfi_offset %r14, -32
|
|
|
|
|
; CHECK-NEXT: .cfi_offset %r15, -24
|
|
|
|
|
; CHECK-NEXT: .cfi_offset %rbp, -16
|
|
|
|
|
; CHECK-NEXT: movl %edi, {{[-0-9]+}}(%r{{[sb]}}p) # 4-byte Spill
|
|
|
|
|
; CHECK-NEXT: #APP
|
|
|
|
|
; CHECK-NEXT: nop
|
|
|
|
|
; CHECK-NEXT: #NO_APP
|
|
|
|
|
; CHECK-NEXT: bsrl {{[-0-9]+}}(%r{{[sb]}}p), %eax # 4-byte Folded Reload
|
|
|
|
|
; CHECK-NEXT: xorl $31, %eax
|
|
|
|
|
; CHECK-NEXT: popq %rbx
|
|
|
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 48
|
|
|
|
|
; CHECK-NEXT: popq %r12
|
|
|
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 40
|
|
|
|
|
; CHECK-NEXT: popq %r13
|
|
|
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 32
|
|
|
|
|
; CHECK-NEXT: popq %r14
|
|
|
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 24
|
|
|
|
|
; CHECK-NEXT: popq %r15
|
|
|
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 16
|
|
|
|
|
; CHECK-NEXT: popq %rbp
|
|
|
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 8
|
|
|
|
|
; CHECK-NEXT: retq
|
2015-06-08 02:34:25 +08:00
|
|
|
%1 = tail call i64 asm sideeffect "nop", "=x,~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{rbp},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15}"()
|
|
|
|
|
%2 = call i32 @llvm.ctlz.i32(i32 %a0, i1 -1)
|
|
|
|
|
ret i32 %2
|
|
|
|
|
}
|
|
|
|
|
declare i32 @llvm.ctlz.i32(i32, i1)
|
|
|
|
|
|
|
|
|
|
define i64 @stack_fold_bsr_i64(i64 %a0) {
|
2019-08-26 04:48:14 +08:00
|
|
|
; CHECK-LABEL: stack_fold_bsr_i64:
|
|
|
|
|
; CHECK: # %bb.0:
|
|
|
|
|
; CHECK-NEXT: pushq %rbp
|
|
|
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 16
|
|
|
|
|
; CHECK-NEXT: pushq %r15
|
|
|
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 24
|
|
|
|
|
; CHECK-NEXT: pushq %r14
|
|
|
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 32
|
|
|
|
|
; CHECK-NEXT: pushq %r13
|
|
|
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 40
|
|
|
|
|
; CHECK-NEXT: pushq %r12
|
|
|
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 48
|
|
|
|
|
; CHECK-NEXT: pushq %rbx
|
|
|
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 56
|
|
|
|
|
; CHECK-NEXT: .cfi_offset %rbx, -56
|
|
|
|
|
; CHECK-NEXT: .cfi_offset %r12, -48
|
|
|
|
|
; CHECK-NEXT: .cfi_offset %r13, -40
|
|
|
|
|
; CHECK-NEXT: .cfi_offset %r14, -32
|
|
|
|
|
; CHECK-NEXT: .cfi_offset %r15, -24
|
|
|
|
|
; CHECK-NEXT: .cfi_offset %rbp, -16
|
|
|
|
|
; CHECK-NEXT: movq %rdi, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
|
|
|
|
|
; CHECK-NEXT: #APP
|
|
|
|
|
; CHECK-NEXT: nop
|
|
|
|
|
; CHECK-NEXT: #NO_APP
|
|
|
|
|
; CHECK-NEXT: bsrq {{[-0-9]+}}(%r{{[sb]}}p), %rax # 8-byte Folded Reload
|
|
|
|
|
; CHECK-NEXT: xorq $63, %rax
|
|
|
|
|
; CHECK-NEXT: popq %rbx
|
|
|
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 48
|
|
|
|
|
; CHECK-NEXT: popq %r12
|
|
|
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 40
|
|
|
|
|
; CHECK-NEXT: popq %r13
|
|
|
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 32
|
|
|
|
|
; CHECK-NEXT: popq %r14
|
|
|
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 24
|
|
|
|
|
; CHECK-NEXT: popq %r15
|
|
|
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 16
|
|
|
|
|
; CHECK-NEXT: popq %rbp
|
|
|
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 8
|
|
|
|
|
; CHECK-NEXT: retq
|
2015-06-08 02:34:25 +08:00
|
|
|
%1 = tail call i64 asm sideeffect "nop", "=x,~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{rbp},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15}"()
|
|
|
|
|
%2 = call i64 @llvm.ctlz.i64(i64 %a0, i1 -1)
|
|
|
|
|
ret i64 %2
|
|
|
|
|
}
|
|
|
|
|
declare i64 @llvm.ctlz.i64(i64, i1)
|
