38 lines
861 B
LLVM
38 lines
861 B
LLVM
; RUN: llc < %s -mtriple=i686-unknown-unknown | FileCheck %s
|
|
|
|
define i32 @shl16sar15(i32 %a) #0 {
|
|
; CHECK-LABEL: shl16sar15:
|
|
; CHECK: # BB#0:
|
|
; CHECK-NEXT: movswl {{[0-9]+}}(%esp), %eax
|
|
%1 = shl i32 %a, 16
|
|
%2 = ashr exact i32 %1, 15
|
|
ret i32 %2
|
|
}
|
|
|
|
define i32 @shl16sar17(i32 %a) #0 {
|
|
; CHECK-LABEL: shl16sar17:
|
|
; CHECK: # BB#0:
|
|
; CHECK-NEXT: movswl {{[0-9]+}}(%esp), %eax
|
|
%1 = shl i32 %a, 16
|
|
%2 = ashr exact i32 %1, 17
|
|
ret i32 %2
|
|
}
|
|
|
|
define i32 @shl24sar23(i32 %a) #0 {
|
|
; CHECK-LABEL: shl24sar23:
|
|
; CHECK: # BB#0:
|
|
; CHECK-NEXT: movsbl {{[0-9]+}}(%esp), %eax
|
|
%1 = shl i32 %a, 24
|
|
%2 = ashr exact i32 %1, 23
|
|
ret i32 %2
|
|
}
|
|
|
|
define i32 @shl24sar25(i32 %a) #0 {
|
|
; CHECK-LABEL: shl24sar25:
|
|
; CHECK: # BB#0:
|
|
; CHECK-NEXT: movsbl {{[0-9]+}}(%esp), %eax
|
|
%1 = shl i32 %a, 24
|
|
%2 = ashr exact i32 %1, 25
|
|
ret i32 %2
|
|
}
|