1a8c99e670
This assert tried to check that AND constants are only on the RHS. But its possible for both operands to be constants if one is opaque which will prevent the AND from being constant folded. Fixes PR38771 llvm-svn: 341102
25 lines
872 B
LLVM
25 lines
872 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s
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define void @function() nounwind {
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; CHECK-LABEL: function:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: movabsq $281474976710656, %rax # imm = 0x1000000000000
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; CHECK-NEXT: notq %rax
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; CHECK-NEXT: movl $2147483647, %ecx # imm = 0x7FFFFFFF
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; CHECK-NEXT: shldq $65, %rax, %rcx
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; CHECK-NEXT: xorl %eax, %eax
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; CHECK-NEXT: movb $64, %dl
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; CHECK-NEXT: testb %dl, %dl
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; CHECK-NEXT: cmoveq %rcx, %rax
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; CHECK-NEXT: movq %rax, (%rax)
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; CHECK-NEXT: movl $0, (%rax)
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; CHECK-NEXT: retq
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entry:
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%B68 = sub i96 39614081257132168796771975167, 281474976710656
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%B49 = or i96 39614081257132168796771975167, 39614081257132168796771975167
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%B33 = lshr i96 %B68, %B68
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store i96 %B33, i96* undef
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ret void
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}
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