deab451e7a
Remove support for the icmp and fcmp constant expressions. This is part of: https://discourse.llvm.org/t/rfc-remove-most-constant-expressions/63179 As usual, many of the updated tests will no longer test what they were originally intended to -- this is hard to preserve when constant expressions get removed, and in many cases just impossible as the existence of a specific kind of constant expression was the cause of the issue in the first place.
29 lines
964 B
LLVM
29 lines
964 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -passes=instcombine %s | FileCheck %s
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@a = common global i8 0, align 1
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@b = external global i32
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define void @tinkywinky() {
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; CHECK-LABEL: @tinkywinky(
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; CHECK-NEXT: [[PATATINO:%.*]] = load i8, ptr @a, align 1
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; CHECK-NEXT: [[TOBOOL_NOT:%.*]] = icmp eq i8 [[PATATINO]], 0
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; CHECK-NEXT: [[CMP:%.*]] = icmp ne ptr @a, @b
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; CHECK-NEXT: [[XOR1:%.*]] = or i1 [[CMP]], [[TOBOOL_NOT]]
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; CHECK-NEXT: [[XOR:%.*]] = zext i1 [[XOR1]] to i32
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; CHECK-NEXT: [[OR:%.*]] = or disjoint i32 [[XOR]], 2
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; CHECK-NEXT: store i32 [[OR]], ptr @b, align 4
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; CHECK-NEXT: ret void
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;
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%patatino = load i8, ptr @a
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%tobool = icmp ne i8 %patatino, 0
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%lnot = xor i1 %tobool, true
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%lnot.ext = zext i1 %lnot to i32
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%cmp = icmp ne ptr @a, @b
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%zext = zext i1 %cmp to i32
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%xor = xor i32 %zext, 2
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%or = or i32 %xor, %lnot.ext
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store i32 %or, ptr @b, align 4
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ret void
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}
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