File: 2011-12-08-DemandedBitsMiscompile.ll

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llvm-toolchain-21 1%3A21.1.4-5
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; RUN: llc -verify-machineinstrs < %s -mtriple=powerpc64-unknown-linux-gnu -mcpu=g4 | FileCheck %s

define void @test(ptr nocapture %x, ptr %xx, ptr %yp) nounwind uwtable ssp {
entry:
  %yy = load i32, ptr %yp
  %y = add i32 %yy, 1
  %z = zext i32 %y to i64
  %z2 = shl i64 %z, 32 
  store i64 %z2, ptr %xx, align 4
  ret void

; CHECK-LABEL: test:
; CHECK: sldi {{.*}}, {{.*}}, 32
; Note: it's okay if someday CodeGen gets smart enough to optimize out
; the shift.
}