llvm-6502/test/CodeGen/PowerPC/lbz-from-ld-shift.ll
Hal Finkel 1b84bf2554 [PowerPC] Add a test for truncating a shifted load
We now produce the desired code as noted in the README.txt file. Remove the
README entry and add a regression test.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@225209 91177308-0d34-0410-b5e6-96231b3b80d8
2015-01-05 21:33:14 +00:00

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LLVM

; RUN: llc -mcpu=ppc64 < %s | FileCheck %s
target datalayout = "E-m:e-i64:64-n32:64"
target triple = "powerpc64-unknown-linux-gnu"
; Function Attrs: nounwind readonly
define signext i32 @test(i32* nocapture readonly %P) #0 {
entry:
%0 = load i32* %P, align 4
%shr = lshr i32 %0, 24
ret i32 %shr
; CHECK-LABEL: @test
; CHECK: lbz 3, 0(3)
; CHECK: blr
}
attributes #0 = { nounwind readonly }