2017-07-02 22:50:35 +08:00
|
|
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
|
|
|
|
; RUN: llc < %s -mtriple=i686-unknown-unknown | FileCheck %s
|
2009-12-15 08:41:36 +08:00
|
|
|
|
2017-07-02 22:50:35 +08:00
|
|
|
define i32 @t1(i8 zeroext %x) nounwind {
|
2013-07-14 14:24:09 +08:00
|
|
|
; CHECK-LABEL: t1:
|
2017-12-05 01:18:51 +08:00
|
|
|
; CHECK: # %bb.0:
|
2017-07-02 22:50:35 +08:00
|
|
|
; CHECK-NEXT: movzbl {{[0-9]+}}(%esp), %eax
|
|
|
|
; CHECK-NEXT: shll $5, %eax
|
|
|
|
; CHECK-NEXT: retl
|
|
|
|
%t0 = zext i8 %x to i16
|
|
|
|
%t1 = shl i16 %t0, 5
|
|
|
|
%t2 = zext i16 %t1 to i32
|
|
|
|
ret i32 %t2
|
2009-12-15 08:41:36 +08:00
|
|
|
}
|
|
|
|
|
2017-07-02 22:50:35 +08:00
|
|
|
define i32 @t2(i8 zeroext %x) nounwind {
|
2013-07-14 14:24:09 +08:00
|
|
|
; CHECK-LABEL: t2:
|
2017-12-05 01:18:51 +08:00
|
|
|
; CHECK: # %bb.0:
|
2017-07-02 22:50:35 +08:00
|
|
|
; CHECK-NEXT: movzbl {{[0-9]+}}(%esp), %eax
|
|
|
|
; CHECK-NEXT: shrl $3, %eax
|
|
|
|
; CHECK-NEXT: retl
|
|
|
|
%t0 = zext i8 %x to i16
|
|
|
|
%t1 = lshr i16 %t0, 3
|
|
|
|
%t2 = zext i16 %t1 to i32
|
|
|
|
ret i32 %t2
|
2009-12-15 08:41:36 +08:00
|
|
|
}
|