llvm-for-llvmta/test/Transforms/DeadStoreElimination/MemDepAnalysis/DeleteThrowableInst.ll

42 lines
1.2 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -basic-aa -dse -enable-dse-memoryssa=false -S | FileCheck %s
declare i8* @_Znwj(i32) willreturn
declare void @foo() readnone willreturn
define void @test1(i8** %ptr) {
; CHECK-LABEL: @test1(
; CHECK-NEXT: [[VAL:%.*]] = inttoptr i64 23452 to i8*
; CHECK-NEXT: store i8* [[VAL]], i8** [[PTR:%.*]]
; CHECK-NEXT: ret void
;
%val = inttoptr i64 23452 to i8*
store i8* %val, i8** %ptr
%call = call i8* @_Znwj(i32 1)
store i8* %call, i8** %ptr
store i8* %val, i8** %ptr
ret void
}
define void @test2(i8** %ptr, i8* %p1, i8* %p2) {
; CHECK-LABEL: @test2(
; CHECK-NEXT: [[VAL:%.*]] = inttoptr i64 23452 to i8*
; CHECK-NEXT: store i8* [[VAL]], i8** [[PTR:%.*]]
; CHECK-NEXT: call void @foo()
; CHECK-NEXT: store i8* [[P1:%.*]], i8** [[PTR]]
; CHECK-NEXT: call void @foo()
; CHECK-NEXT: store i8* [[VAL]], i8** [[PTR]]
; CHECK-NEXT: ret void
;
%val = inttoptr i64 23452 to i8*
store i8* %val, i8** %ptr
call void @foo()
store i8* %p1, i8** %ptr
call void @foo()
store i8* %p2, i8** %ptr
%call = call i8* @_Znwj(i32 1)
store i8* %call, i8** %ptr
store i8* %val, i8** %ptr
ret void
}