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TheRock/compiler/amd-llvm/llvm/test/CodeGen/PowerPC/sign-ext-atomics.ll
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

102 lines
2.8 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=powerpc64le-linux-gnu < %s | FileCheck %s
define i16 @SEXTParam(i16 signext %0) #0 {
; CHECK-LABEL: SEXTParam:
; CHECK: # %bb.0: # %top
; CHECK-NEXT: li 4, 0
; CHECK-NEXT: sth 4, -4(1)
; CHECK-NEXT: addi 4, 1, -4
; CHECK-NEXT: lwsync
; CHECK-NEXT: .LBB0_1: # %top
; CHECK-NEXT: #
; CHECK-NEXT: lharx 5, 0, 4
; CHECK-NEXT: extsh 5, 5
; CHECK-NEXT: cmpw 5, 3
; CHECK-NEXT: blt 0, .LBB0_3
; CHECK-NEXT: # %bb.2: # %top
; CHECK-NEXT: #
; CHECK-NEXT: sthcx. 3, 0, 4
; CHECK-NEXT: bne- 0, .LBB0_1
; CHECK-NEXT: .LBB0_3: # %top
; CHECK-NEXT: lwsync
; CHECK-NEXT: lhz 3, -4(1)
; CHECK-NEXT: cmpd 7, 3, 3
; CHECK-NEXT: bne- 7, .+4
; CHECK-NEXT: isync
; CHECK-NEXT: blr
top:
%1 = alloca i16, align 4
store i16 0, ptr %1, align 4
%rv.i = atomicrmw min ptr %1, i16 %0 acq_rel
%rv.i2 = load atomic i16, ptr %1 acquire, align 16
ret i16 %rv.i2
}
define i16 @noSEXTParam(i16 %0) #0 {
; CHECK-LABEL: noSEXTParam:
; CHECK: # %bb.0: # %top
; CHECK-NEXT: li 4, 0
; CHECK-NEXT: extsh 3, 3
; CHECK-NEXT: sth 4, -4(1)
; CHECK-NEXT: addi 4, 1, -4
; CHECK-NEXT: lwsync
; CHECK-NEXT: .LBB1_1: # %top
; CHECK-NEXT: #
; CHECK-NEXT: lharx 5, 0, 4
; CHECK-NEXT: extsh 5, 5
; CHECK-NEXT: cmpw 5, 3
; CHECK-NEXT: blt 0, .LBB1_3
; CHECK-NEXT: # %bb.2: # %top
; CHECK-NEXT: #
; CHECK-NEXT: sthcx. 3, 0, 4
; CHECK-NEXT: bne- 0, .LBB1_1
; CHECK-NEXT: .LBB1_3: # %top
; CHECK-NEXT: lwsync
; CHECK-NEXT: lhz 3, -4(1)
; CHECK-NEXT: cmpd 7, 3, 3
; CHECK-NEXT: bne- 7, .+4
; CHECK-NEXT: isync
; CHECK-NEXT: blr
top:
%1 = alloca i16, align 4
store i16 0, ptr %1, align 4
%rv.i = atomicrmw min ptr %1, i16 %0 acq_rel
%rv.i2 = load atomic i16, ptr %1 acquire, align 16
ret i16 %rv.i2
}
define i16 @noSEXTLoad(ptr %p) #0 {
; CHECK-LABEL: noSEXTLoad:
; CHECK: # %bb.0: # %top
; CHECK-NEXT: li 4, 0
; CHECK-NEXT: lha 3, 0(3)
; CHECK-NEXT: sth 4, -4(1)
; CHECK-NEXT: addi 4, 1, -4
; CHECK-NEXT: lwsync
; CHECK-NEXT: .LBB2_1: # %top
; CHECK-NEXT: #
; CHECK-NEXT: lharx 5, 0, 4
; CHECK-NEXT: extsh 5, 5
; CHECK-NEXT: cmpw 5, 3
; CHECK-NEXT: blt 0, .LBB2_3
; CHECK-NEXT: # %bb.2: # %top
; CHECK-NEXT: #
; CHECK-NEXT: sthcx. 3, 0, 4
; CHECK-NEXT: bne- 0, .LBB2_1
; CHECK-NEXT: .LBB2_3: # %top
; CHECK-NEXT: lwsync
; CHECK-NEXT: lhz 3, -4(1)
; CHECK-NEXT: cmpd 7, 3, 3
; CHECK-NEXT: bne- 7, .+4
; CHECK-NEXT: isync
; CHECK-NEXT: blr
top:
%0 = load i16, ptr %p, align 2
%1 = alloca i16, align 4
store i16 0, ptr %1, align 4
%rv.i = atomicrmw min ptr %1, i16 %0 acq_rel
%rv.i2 = load atomic i16, ptr %1 acquire, align 16
ret i16 %rv.i2
}
attributes #0 = { nounwind }