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; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s
define i32 @shl48sar47(i64 %a) #0 {
; CHECK-LABEL: shl48sar47:
; CHECK: # BB#0:
; CHECK-NEXT: movswq %di, %rax
%1 = shl i64 %a, 48
%2 = ashr exact i64 %1, 47
%3 = trunc i64 %2 to i32
ret i32 %3
}
define i32 @shl48sar49(i64 %a) #0 {
; CHECK-LABEL: shl48sar49:
; CHECK: # BB#0:
; CHECK-NEXT: movswq %di, %rax
%1 = shl i64 %a, 48
%2 = ashr exact i64 %1, 49
%3 = trunc i64 %2 to i32
ret i32 %3
}
define i32 @shl56sar55(i64 %a) #0 {
; CHECK-LABEL: shl56sar55:
; CHECK: # BB#0:
; CHECK-NEXT: movsbq %dil, %rax
%1 = shl i64 %a, 56
%2 = ashr exact i64 %1, 55
%3 = trunc i64 %2 to i32
ret i32 %3
}
define i32 @shl56sar57(i64 %a) #0 {
; CHECK-LABEL: shl56sar57:
; CHECK: # BB#0:
; CHECK-NEXT: movsbq %dil, %rax
%1 = shl i64 %a, 56
%2 = ashr exact i64 %1, 57
%3 = trunc i64 %2 to i32
ret i32 %3
}
attributes #0 = { nounwind }
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