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; RUN: llc -mtriple=thumb-eabi %s -o - | FileCheck %s

define i32 @test1(i32 %X) {
entry:
; CHECK-LABEL: test1:
; CHECK: lsrs r0, r0, #31
        icmp slt i32 %X, 0              ; <i1>:0 [#uses=1]
        zext i1 %0 to i32               ; <i32>:1 [#uses=1]
        ret i32 %1
}