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; RUN: opt < %s -passes=simplifycfg -simplifycfg-require-and-preserve-domtree=1 -S | FileCheck %s
; RUN: opt < %s -passes=simplifycfg -S | FileCheck %s
define i32 @foo(i32 %x) optforfuzzing {
entry:
%x.addr = alloca i32, align 4
store i32 %x, ptr %x.addr, align 4
%0 = load i32, ptr %x.addr, align 4
%cmp = icmp sgt i32 %0, 16
br i1 %cmp, label %land.rhs, label %land.end
land.rhs:
%1 = load i32, ptr %x.addr, align 4
%cmp1 = icmp slt i32 %1, 32
br label %land.end
land.end:
%2 = phi i1 [ false, %entry ], [ %cmp1, %land.rhs ]
%conv = zext i1 %2 to i32
ret i32 %conv
; CHECK-LABEL: define i32 @foo(i32 %x)
; CHECK: br i1 %cmp, label %land.rhs, label %land.end
; CHECK-LABEL: land.rhs:
; CHECK: br label %land.end
; CHECK-LABEL: land.end:
; CHECK: phi {{.*}} %entry {{.*}} %land.rhs
}
define i32 @bar(i32 %x) {
entry:
%x.addr = alloca i32, align 4
store i32 %x, ptr %x.addr, align 4
%0 = load i32, ptr %x.addr, align 4
%cmp = icmp sgt i32 %0, 16
br i1 %cmp, label %land.rhs, label %land.end
land.rhs:
%1 = load i32, ptr %x.addr, align 4
%cmp1 = icmp slt i32 %1, 32
br label %land.end
land.end:
%2 = phi i1 [ false, %entry ], [ %cmp1, %land.rhs ]
%conv = zext i1 %2 to i32
ret i32 %conv
; CHECK-LABEL: define i32 @bar(i32 %x)
; CHECK-NOT: br
}
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