e4a4122eb6
Remove support for zext and sext constant expressions. All places creating them have been removed beforehand, so this just removes the APIs and uses of these constant expressions in tests. There is some additional cleanup that can be done on top of this, e.g. we can remove the ZExtInst vs ZExtOperator footgun. This is part of https://discourse.llvm.org/t/rfc-remove-most-constant-expressions/63179.
33 lines
1.3 KiB
LLVM
33 lines
1.3 KiB
LLVM
; RUN: llc -mtriple=arm-eabi -mattr=+neon < %s -o - | FileCheck %s
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@c = global [4 x i32] [i32 3, i32 3, i32 3, i32 3], align 4
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@d = common global i32 0, align 4
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define void @foo() local_unnamed_addr nounwind norecurse {
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entry:
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%0 = load <4 x i32>, ptr @c, align 4
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%constexpr = getelementptr inbounds [4 x i32], ptr @c, i32 0, i32 1
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%constexpr1 = icmp ne ptr %constexpr, @d
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%constexpr2 = zext i1 %constexpr1 to i32
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%constexpr3 = getelementptr inbounds [4 x i32], ptr @c, i32 0, i32 2
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%constexpr4 = icmp ne ptr %constexpr3, @d
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%constexpr5 = zext i1 %constexpr4 to i32
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%constexpr6 = getelementptr inbounds [4 x i32], ptr @c, i32 0, i32 3
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%constexpr7 = icmp ne ptr %constexpr6, @d
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%constexpr8 = zext i1 %constexpr7 to i32
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%constexpr.ins = insertelement <4 x i32> poison, i32 1, i32 0
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%constexpr.ins9 = insertelement <4 x i32> %constexpr.ins, i32 %constexpr2, i32 1
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%constexpr.ins10 = insertelement <4 x i32> %constexpr.ins9, i32 %constexpr5, i32 2
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%constexpr.ins11 = insertelement <4 x i32> %constexpr.ins10, i32 %constexpr8, i32 3
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%1 = and <4 x i32> %0, %constexpr.ins11
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store <4 x i32> %1, ptr @c, align 4
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ret void
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; CHECK-NOT: mvnne
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; CHECK: movne r{{[0-9]+}}, #1
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; CHECK-NOT: mvnne
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; CHECK: movne r{{[0-9]+}}, #1
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; CHECK-NOT: mvnne
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; CHECK: movne r{{[0-9]+}}, #1
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; CHECK-NOT: mvnne
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}
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