62 lines
1.3 KiB
LLVM
62 lines
1.3 KiB
LLVM
; RUN: opt -S -mergefunc < %s | FileCheck %s
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; We should not merge these two functions, because the blocks are different.
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; This tests the handling of block addresses from different functions.
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; ModuleID = '<stdin>'
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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define internal i8* @Afunc(i32* %P) {
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; CHECK-LABEL: @Afunc
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; CHECK-NEXT: store
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; CHECK-NEXT: store
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; CHECK-NEXT: ret
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store i32 1, i32* %P
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store i32 3, i32* %P
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ret i8* blockaddress(@_Z1fi, %if.then)
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}
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define internal i8* @Bfunc(i32* %P) {
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; CHECK-LABEL: @Bfunc
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; CHECK-NEXT: store
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; CHECK-NEXT: store
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; CHECK-NEXT: ret
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store i32 1, i32* %P
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store i32 3, i32* %P
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ret i8* blockaddress(@_Z1fi, %if.then.2)
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}
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; Function Attrs: nounwind uwtable
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define i32 @_Z1fi(i32 %i) #0 {
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entry:
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%retval = alloca i32, align 4
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%i.addr = alloca i32, align 4
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store i32 %i, i32* %i.addr, align 4
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%0 = load i32, i32* %i.addr, align 4
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%cmp = icmp eq i32 %0, 1
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br i1 %cmp, label %if.then, label %if.end
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if.then:
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store i32 3, i32* %retval
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br label %return
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if.end:
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%1 = load i32, i32* %i.addr, align 4
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%cmp1 = icmp eq i32 %1, 3
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br i1 %cmp1, label %if.then.2, label %if.end.3
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if.then.2:
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store i32 56, i32* %retval
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br label %return
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if.end.3:
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store i32 0, i32* %retval
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br label %return
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return:
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%2 = load i32, i32* %retval
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ret i32 %2
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}
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