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[RISCV] Improve shrink wrap test (NFC) 

Restore test for shrink wrapping disabled.
This commit is contained in:
Evandro Menezes 2021-09-02 10:28:51 -05:00
parent 201e466eba
commit cd6064bb9e
1 changed files with 36 additions and 0 deletions
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36
llvm/test/CodeGen/RISCV/shrinkwrap.ll
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@ -1,4 +1,6 @@
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple riscv32 -enable-shrink-wrap=false < %s \
; RUN: | FileCheck %s -check-prefix=RV32I-SW-NO
; RUN: llc -mtriple riscv32 < %s \
; RUN: | FileCheck %s -check-prefix=RV32I-SW
; RUN: llc -mtriple riscv32 -mattr=+save-restore < %s \
@ -9,6 +11,19 @@
declare void @abort()
define void @eliminate_restore(i32 %n) nounwind {
; RV32I-SW-NO-LABEL: eliminate_restore:
; RV32I-SW-NO: # %bb.0:
; RV32I-SW-NO-NEXT: addi sp, sp, -16
; RV32I-SW-NO-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32I-SW-NO-NEXT: addi a1, zero, 32
; RV32I-SW-NO-NEXT: bgeu a1, a0, .LBB0_2
; RV32I-SW-NO-NEXT: # %bb.1: # %if.end
; RV32I-SW-NO-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32I-SW-NO-NEXT: addi sp, sp, 16
; RV32I-SW-NO-NEXT: ret
; RV32I-SW-NO-NEXT: .LBB0_2: # %if.then
; RV32I-SW-NO-NEXT: call abort@plt
;
; RV32I-SW-LABEL: eliminate_restore:
; RV32I-SW: # %bb.0:
; RV32I-SW-NEXT: addi a1, zero, 32
@ -55,6 +70,27 @@ if.end:
declare void @notdead(i8*)
define void @conditional_alloca(i32 %n) nounwind {
; RV32I-SW-NO-LABEL: conditional_alloca:
; RV32I-SW-NO: # %bb.0:
; RV32I-SW-NO-NEXT: addi sp, sp, -16
; RV32I-SW-NO-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32I-SW-NO-NEXT: sw s0, 8(sp) # 4-byte Folded Spill
; RV32I-SW-NO-NEXT: addi s0, sp, 16
; RV32I-SW-NO-NEXT: addi a1, zero, 32
; RV32I-SW-NO-NEXT: bltu a1, a0, .LBB1_2
; RV32I-SW-NO-NEXT: # %bb.1: # %if.then
; RV32I-SW-NO-NEXT: addi a0, a0, 15
; RV32I-SW-NO-NEXT: andi a0, a0, -16
; RV32I-SW-NO-NEXT: sub a0, sp, a0
; RV32I-SW-NO-NEXT: mv sp, a0
; RV32I-SW-NO-NEXT: call notdead@plt
; RV32I-SW-NO-NEXT: .LBB1_2: # %if.end
; RV32I-SW-NO-NEXT: addi sp, s0, -16
; RV32I-SW-NO-NEXT: lw s0, 8(sp) # 4-byte Folded Reload
; RV32I-SW-NO-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32I-SW-NO-NEXT: addi sp, sp, 16
; RV32I-SW-NO-NEXT: ret
;
; RV32I-SW-LABEL: conditional_alloca:
; RV32I-SW: # %bb.0:
; RV32I-SW-NEXT: addi a1, zero, 32