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