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llvm-6502/test/CodeGen/AArch64/andandshift.ll
2014-09-02 09:33:56 +00:00

29 lines
658 B
LLVM

; RUN: llc -O3 < %s | FileCheck %s
target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128"
target triple = "arm64--linux-gnu"
; Function Attrs: nounwind readnone
define i32 @test1(i8 %a) {
; CHECK-LABLE: @test1
; CHECK: ubfx {{w[0-9]+}}, w0, #3, #5
entry:
%conv = zext i8 %a to i32
%shr1 = lshr i32 %conv, 3
ret i32 %shr1
}
; Function Attrs: nounwind readnone
define i32 @test2(i8 %a) {
; CHECK-LABLE: @test2
; CHECK: and {{w[0-9]+}}, w0, #0xff
; CHECK: ubfx {{w[0-9]+}}, w0, #3, #5
entry:
%conv = zext i8 %a to i32
%cmp = icmp ugt i8 %a, 47
%shr5 = lshr i32 %conv, 3
%retval.0 = select i1 %cmp, i32 %shr5, i32 %conv
ret i32 %retval.0
}