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b14a203f53
utils/update_test_checks.py was improved with: http://reviews.llvm.org/rL265414 to CHECK-NEXT the first line of the IR function. This ensures that nothing bad has happened before that. llvm-svn: 265417
32 lines
829 B
LLVM
32 lines
829 B
LLVM
; NOTE: Assertions have been autogenerated by update_test_checks.py
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; This test case checks that the merge of and/xor can work on arbitrary
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; precision integers.
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; RUN: opt < %s -instcombine -S | FileCheck %s
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; (x &z ) ^ (y & z) -> (x ^ y) & z
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define i57 @test1(i57 %x, i57 %y, i57 %z) {
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; CHECK-LABEL: @test1(
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; CHECK-NEXT: [[TMP61:%.*]] = xor i57 %x, %y
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; CHECK-NEXT: [[TMP7:%.*]] = and i57 [[TMP61]], %z
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; CHECK-NEXT: ret i57 [[TMP7]]
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;
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%tmp3 = and i57 %z, %x
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%tmp6 = and i57 %z, %y
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%tmp7 = xor i57 %tmp3, %tmp6
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ret i57 %tmp7
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}
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; (x & y) ^ (x | y) -> x ^ y
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define i23 @test2(i23 %x, i23 %y, i23 %z) {
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; CHECK-LABEL: @test2(
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; CHECK-NEXT: [[TMP7:%.*]] = xor i23 %y, %x
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; CHECK-NEXT: ret i23 [[TMP7]]
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;
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%tmp3 = and i23 %y, %x
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%tmp6 = or i23 %y, %x
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%tmp7 = xor i23 %tmp3, %tmp6
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ret i23 %tmp7
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}
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