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[X86] Add test case for PR39968. NFC

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llvm-svn: 349331
This commit is contained in:
Craig Topper 2018-12-17 07:51:17 +00:00
parent 39db38f549
commit ee8ca8fe5e
1 changed files with 19 additions and 0 deletions
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19
test/CodeGen/X86/cmp.ll
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@ -465,3 +465,22 @@ entry:
ret i32 %ret
}
define { i64, i64 } @pr39968(i64, i64, i32) {
; CHECK-LABEL: pr39968:
; CHECK: # %bb.0:
; CHECK-NEXT: andl $64, %edx # encoding: [0x83,0xe2,0x40]
; CHECK-NEXT: xorl %eax, %eax # encoding: [0x31,0xc0]
; CHECK-NEXT: shrl $6, %edx # encoding: [0xc1,0xea,0x06]
; CHECK-NEXT: cmovneq %rdi, %rsi # encoding: [0x48,0x0f,0x45,0xf7]
; CHECK-NEXT: cmovneq %rdi, %rax # encoding: [0x48,0x0f,0x45,0xc7]
; CHECK-NEXT: movq %rsi, %rdx # encoding: [0x48,0x89,0xf2]
; CHECK-NEXT: retq # encoding: [0xc3]
%4 = and i32 %2, 64
%5 = icmp ne i32 %4, 0
%6 = select i1 %5, i64 %0, i64 %1
%7 = select i1 %5, i64 %0, i64 0
%8 = insertvalue { i64, i64 } undef, i64 %7, 0
%9 = insertvalue { i64, i64 } %8, i64 %6, 1
ret { i64, i64 } %9
}