1 ; RUN: opt < %s -S -ipsccp | FileCheck %s 2 3 @_ZL6test1g = internal global i32 42, align 4 4 5 define void @_Z7test1f1v() nounwind { 6 entry: 7 %tmp = load i32, i32* @_ZL6test1g, align 4 8 %cmp = icmp eq i32 %tmp, 0 9 br i1 %cmp, label %if.then, label %if.end 10 11 if.then: ; preds = %entry 12 store i32 0, i32* @_ZL6test1g, align 4 13 br label %if.end 14 15 if.end: ; preds = %if.then, %entry 16 ret void 17 } 18 19 ; CHECK: @_Z7test1f2v() 20 ; CHECK: entry: 21 ; CHECK-NEXT: ret i32 42 22 define i32 @_Z7test1f2v() nounwind { 23 entry: 24 %tmp = load i32, i32* @_ZL6test1g, align 4 25 ret i32 %tmp 26 } 27
