forked from OSchip/llvm-project
50 lines
1.0 KiB
LLVM
50 lines
1.0 KiB
LLVM
; RUN: opt -globalopt -S -o - < %s | FileCheck %s
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@glbl = internal global i8* null
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define void @test1a() {
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; CHECK: @test1a
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; CHECK-NOT: store
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; CHECK-NEXT: ret void
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store i8* null, i8** @glbl
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ret void
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}
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define void @test1b(i8* %p) {
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; CHECK: @test1b
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; CHECK-NEXT: store
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; CHECK-NEXT: ret void
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store i8* %p, i8** @glbl
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ret void
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}
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define void @test2() {
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; CHECK: @test2
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; CHECK: alloca i8
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%txt = alloca i8
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call void @foo2(i8* %txt)
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%call2 = call i8* @strdup(i8* %txt)
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store i8* %call2, i8** @glbl
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ret void
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}
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declare i8* @strdup(i8*)
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declare void @foo2(i8*)
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define void @test3() uwtable {
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; CHECK: @test3
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; CHECK-NOT: bb1:
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; CHECK-NOT: bb2:
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; CHECK: invoke
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%ptr = invoke i8* @_Znwm(i64 1)
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to label %bb1 unwind label %bb2
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bb1:
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store i8* %ptr, i8** @glbl
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unreachable
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bb2:
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%tmp1 = landingpad { i8*, i32 } personality i32 (i32, i64, i8*, i8*)* @__gxx_personality_v0
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cleanup
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resume { i8*, i32 } %tmp1
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}
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declare i32 @__gxx_personality_v0(i32, i64, i8*, i8*)
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declare i8* @_Znwm(i64)
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