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; RUN: opt < %s -newgvn -S | FileCheck %s
; CHECK-LABEL: @test1
; CHECK: ret i32 %arg
define i32 @test1(i32 %arg) {
%cmp = icmp sge i32 %arg, 5
call void @llvm.assume(i1 %cmp)
ret i32 %arg
}
; CHECK-LABEL: @test2
; CHECK: ret i32 %arg
define i32 @test2(i32 %arg, i1 %b) {
br label %bb
bb:
%a = phi i32 [ 1, %0 ], [ 2, %bb ]
%cmp = icmp eq i32 %arg, %a
call void @llvm.assume(i1 %cmp)
br i1 %b, label %bb, label %end
end:
ret i32 %arg
}
declare void @llvm.assume(i1 %cond)
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