29 lines
658 B
LLVM
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-LABEL: @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-LABEL: @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
|
|
}
|
|
|
|
|