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llvm-mirror/test/CodeGen/PowerPC/loop-comment.ll
Kang Zhang bb10587376 [PowerPC] Ignore implicit register operands for MCInst
Summary:
When doing the conversion: MachineInst -> MCInst, we should ignore the
implicit operands, it will expose more opportunity for InstiAlias.

Reviewed By: steven.zhang

Differential Revision: https://reviews.llvm.org/D77118
2020-04-16 16:22:43 +00:00

22 lines
693 B
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=powerpc64le-linux-gnu < %s | FileCheck %s -check-prefix=PPC64LE
define void @test(i8* %ptr, i8 %cmp, i8 %val) {
; PPC64LE-LABEL: test:
; PPC64LE: # %bb.0:
; PPC64LE-NEXT: clrlwi 4, 4, 24
; PPC64LE-NEXT: .LBB0_1:
; PPC64LE-NEXT: lbarx 6, 0, 3
; PPC64LE-NEXT: cmpw 4, 6
; PPC64LE-NEXT: bne 0, .LBB0_3
; PPC64LE-NEXT: # %bb.2:
; PPC64LE-NEXT: stbcx. 5, 0, 3
; PPC64LE-NEXT: beqlr 0
; PPC64LE-NEXT: b .LBB0_1
; PPC64LE-NEXT: .LBB0_3:
; PPC64LE-NEXT: stbcx. 6, 0, 3
; PPC64LE-NEXT: blr
%res = cmpxchg i8* %ptr, i8 %cmp, i8 %val monotonic monotonic
ret void
}