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17 lines
402 B
17 lines
402 B
4 months ago
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -reassociate -instcombine -S | FileCheck %s
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; Test that we can turn things like A*B + X - A*B -> X.
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define i32 @test1(i32 %a, i32 %b, i32 %x) {
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; CHECK-LABEL: @test1(
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; CHECK-NEXT: ret i32 [[X:%.*]]
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;
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%c = mul i32 %a, %b
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%d = add i32 %c, %x
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%c1 = mul i32 %a, %b
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%f = sub i32 %d, %c1
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ret i32 %f
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}
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