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