; RUN: opt < %s -passes=gvn,instcombine -S | FileCheck %s | |
; PR4189 | |
@G = external constant [4 x i32] | |
define i32 @test(ptr %p, i32 %i) nounwind { | |
entry: | |
%P = getelementptr [4 x i32], ptr @G, i32 0, i32 %i | |
%A = load i32, ptr %P | |
store i8 4, ptr %p | |
%B = load i32, ptr %P | |
%C = sub i32 %A, %B | |
ret i32 %C | |
} | |
; CHECK: define i32 @test(ptr %p, i32 %i) #0 { | |
; CHECK-NEXT: entry: | |
; CHECK-NEXT: store i8 4, ptr %p, align 1 | |
; CHECK-NEXT: ret i32 0 | |
; CHECK-NEXT: } |