mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-30 07:22:55 +01:00
26 lines
461 B
LLVM
26 lines
461 B
LLVM
|
; RUN: llc < %s -march=x86 | FileCheck %s
|
||
|
|
|
||
|
|
define i32 @t1(i8 zeroext %x) nounwind readnone ssp {
|
||
|
|
entry:
|
||
|
|
; CHECK: t1:
|
||
|
|
; CHECK: shll
|
||
|
|
; CHECK-NOT: movzwl
|
||
|
|
; CHECK: ret
|
||
|
|
%0 = zext i8 %x to i16
|
||
|
|
%1 = shl i16 %0, 5
|
||
|
|
%2 = zext i16 %1 to i32
|
||
|
|
ret i32 %2
|
||
|
|
}
|
||
|
|
|
||
|
|
define i32 @t2(i8 zeroext %x) nounwind readnone ssp {
|
||
|
|
entry:
|
||
|
|
; CHECK: t2:
|
||
|
|
; CHECK: shrl
|
||
|
|
; CHECK-NOT: movzwl
|
||
|
|
; CHECK: ret
|
||
|
|
%0 = zext i8 %x to i16
|
||
|
|
%1 = lshr i16 %0, 3
|
||
|
|
%2 = zext i16 %1 to i32
|
||
|
|
ret i32 %2
|
||
|
|
}
|