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.
22 lines
984 B
LLVM
22 lines
984 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -passes=instsimplify < %s | FileCheck %s
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%S = type { i16, i32 }
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; InstCombine will be able to fold this into zeroinitializer
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define <2 x i16> @test1() {
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; CHECK-LABEL: @test1(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[CMP:%.*]] = icmp eq i16 extractelement (<2 x i16> bitcast (<1 x i32> <i32 1> to <2 x i16>), i32 0), 0
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; CHECK-NEXT: [[SEL:%.*]] = select i1 [[CMP]], [[S:%.*]] zeroinitializer, [[S]] { i16 0, i32 1 }
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; CHECK-NEXT: [[E:%.*]] = extractvalue [[S]] [[SEL]], 0
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; CHECK-NEXT: [[B:%.*]] = insertelement <2 x i16> <i16 undef, i16 0>, i16 [[E]], i32 0
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; CHECK-NEXT: ret <2 x i16> [[B]]
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;
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entry:
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%cmp = icmp eq i16 extractelement (<2 x i16> bitcast (<1 x i32> <i32 1> to <2 x i16>), i32 0), 0
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%sel = select i1 %cmp, %S zeroinitializer, %S { i16 0, i32 1 }
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%e = extractvalue %S %sel, 0
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%b = insertelement <2 x i16> <i16 undef, i16 0>, i16 %e, i32 0
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ret <2 x i16> %b
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}
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