mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2025-10-30 00:16:48 +00:00
2e489c4f9d
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91489 91177308-0d34-0410-b5e6-96231b3b80d8
37 lines
1.0 KiB
LLVM
37 lines
1.0 KiB
LLVM
; RUN: llc < %s -mtriple=x86_64-apple-darwin | FileCheck %s
|
|
; rdar://7329206
|
|
|
|
; Use sbb x, x to materialize carry bit in a GPR. The value is either
|
|
; all 1's or all 0's.
|
|
|
|
define zeroext i16 @t1(i16 zeroext %x) nounwind readnone ssp {
|
|
entry:
|
|
; CHECK: t1:
|
|
; CHECK: seta %al
|
|
; CHECK: movzbl %al, %eax
|
|
; CHECK: shll $5, %eax
|
|
%0 = icmp ugt i16 %x, 26 ; <i1> [#uses=1]
|
|
%iftmp.1.0 = select i1 %0, i16 32, i16 0 ; <i16> [#uses=1]
|
|
ret i16 %iftmp.1.0
|
|
}
|
|
|
|
define zeroext i16 @t2(i16 zeroext %x) nounwind readnone ssp {
|
|
entry:
|
|
; CHECK: t2:
|
|
; CHECK: sbbl %eax, %eax
|
|
; CHECK: andl $32, %eax
|
|
%0 = icmp ult i16 %x, 26 ; <i1> [#uses=1]
|
|
%iftmp.0.0 = select i1 %0, i16 32, i16 0 ; <i16> [#uses=1]
|
|
ret i16 %iftmp.0.0
|
|
}
|
|
|
|
define i64 @t3(i64 %x) nounwind readnone ssp {
|
|
entry:
|
|
; CHECK: t3:
|
|
; CHECK: sbbq %rax, %rax
|
|
; CHECK: andq $64, %rax
|
|
%0 = icmp ult i64 %x, 18 ; <i1> [#uses=1]
|
|
%iftmp.2.0 = select i1 %0, i64 64, i64 0 ; <i64> [#uses=1]
|
|
ret i64 %iftmp.2.0
|
|
}
|