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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; 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
; CHECK-NEXT: addl %eax, %eax
; CHECK-NEXT: retl
%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
; CHECK-NEXT: sarl %eax
; CHECK-NEXT: retl
%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
; CHECK-NEXT: addl %eax, %eax
; CHECK-NEXT: retl
%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
; CHECK-NEXT: sarl %eax
; CHECK-NEXT: retl
%1 = shl i32 %a, 24
%2 = ashr exact i32 %1, 25
ret i32 %2
}
define void @shl144sar48(ptr %p) #0 {
; CHECK-LABEL: shl144sar48:
; CHECK: # %bb.0:
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT: movswl (%eax), %ecx
; CHECK-NEXT: movl %ecx, %edx
; CHECK-NEXT: sarl $31, %edx
; CHECK-NEXT: shldl $2, %ecx, %edx
; CHECK-NEXT: shll $2, %ecx
; CHECK-NEXT: movl %ecx, 12(%eax)
; CHECK-NEXT: movl %edx, 16(%eax)
; CHECK-NEXT: movl $0, 8(%eax)
; CHECK-NEXT: movl $0, 4(%eax)
; CHECK-NEXT: movl $0, (%eax)
; CHECK-NEXT: retl
%a = load i160, ptr %p
%1 = shl i160 %a, 144
%2 = ashr exact i160 %1, 46
store i160 %2, ptr %p
ret void
}
define void @shl144sar2(ptr %p) #0 {
; CHECK-LABEL: shl144sar2:
; CHECK: # %bb.0:
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT: movswl (%eax), %ecx
; CHECK-NEXT: shll $14, %ecx
; CHECK-NEXT: movl %ecx, 16(%eax)
; CHECK-NEXT: movl $0, 8(%eax)
; CHECK-NEXT: movl $0, 12(%eax)
; CHECK-NEXT: movl $0, 4(%eax)
; CHECK-NEXT: movl $0, (%eax)
; CHECK-NEXT: retl
%a = load i160, ptr %p
%1 = shl i160 %a, 144
%2 = ashr exact i160 %1, 2
store i160 %2, ptr %p
ret void
}
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