view test/CodeGen/X86/shl_elim.ll @ 33:e4204d083e25

LLVM 3.5
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 14:32:10 +0900
parents 95c75e76d11b
children 803732b1fca8
line wrap: on
line source

; RUN: llc < %s -march=x86 | FileCheck %s

define i32 @test1(i64 %a) nounwind {
        %tmp29 = lshr i64 %a, 24                ; <i64> [#uses=1]
        %tmp23 = trunc i64 %tmp29 to i32                ; <i32> [#uses=1]
        %tmp410 = lshr i32 %tmp23, 9            ; <i32> [#uses=1]
        %tmp45 = trunc i32 %tmp410 to i16               ; <i16> [#uses=1]
        %tmp456 = sext i16 %tmp45 to i32                ; <i32> [#uses=1]
        ret i32 %tmp456

; CHECK-LABEL: test1:
; CHECK: movl 8(%esp), %eax
; CHECK: shrl %eax
; CHECK: cwtl
}