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TheRock/compiler/amd-llvm/llvm/test/Transforms/SimplifyCFG/speculate-store-opaque-pointer.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

68 lines
1.8 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -passes=simplifycfg -simplifycfg-require-and-preserve-domtree=1 -S < %s | FileCheck %s
declare void @unknown_fun()
define void @different_type(ptr %ptr, i1 %cmp) {
; CHECK-LABEL: @different_type(
; CHECK-NEXT: store i32 0, ptr [[PTR:%.*]], align 4
; CHECK-NEXT: br i1 [[CMP:%.*]], label [[IF_THEN:%.*]], label [[RET_END:%.*]]
; CHECK: if.then:
; CHECK-NEXT: store i64 1, ptr [[PTR]], align 4
; CHECK-NEXT: br label [[RET_END]]
; CHECK: ret.end:
; CHECK-NEXT: ret void
;
store i32 0, ptr %ptr
br i1 %cmp, label %if.then, label %ret.end
if.then:
store i64 1, ptr %ptr
br label %ret.end
ret.end:
ret void
}
define void @readonly_call(ptr %ptr, i1 %cmp) {
; CHECK-LABEL: @readonly_call(
; CHECK-NEXT: ret.end:
; CHECK-NEXT: store i32 0, ptr [[PTR:%.*]], align 4
; CHECK-NEXT: call void @unknown_fun() #[[ATTR0:[0-9]+]]
; CHECK-NEXT: [[SPEC_STORE_SELECT:%.*]] = select i1 [[CMP:%.*]], i32 1, i32 0
; CHECK-NEXT: store i32 [[SPEC_STORE_SELECT]], ptr [[PTR]], align 4
; CHECK-NEXT: ret void
;
store i32 0, ptr %ptr
call void @unknown_fun() readonly
br i1 %cmp, label %if.then, label %ret.end
if.then:
store i32 1, ptr %ptr
br label %ret.end
ret.end:
ret void
}
define void @atomic_and_simple(ptr %ptr, i1 %cmp) {
; CHECK-LABEL: @atomic_and_simple(
; CHECK-NEXT: store atomic i32 0, ptr [[PTR:%.*]] seq_cst, align 4
; CHECK-NEXT: br i1 [[CMP:%.*]], label [[IF_THEN:%.*]], label [[RET_END:%.*]]
; CHECK: if.then:
; CHECK-NEXT: store i32 1, ptr [[PTR]], align 4
; CHECK-NEXT: br label [[RET_END]]
; CHECK: ret.end:
; CHECK-NEXT: ret void
;
store atomic i32 0, ptr %ptr seq_cst, align 4
br i1 %cmp, label %if.then, label %ret.end
if.then:
store i32 1, ptr %ptr
br label %ret.end
ret.end:
ret void
}