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56 lines
1.6 KiB
LLVM
56 lines
1.6 KiB
LLVM
; RUN: opt -S -instsimplify < %s | FileCheck %s
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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declare void @helper(<2 x i8*>)
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define void @test(<2 x i8*> %a) {
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%A = getelementptr <2 x i8*> %a, <2 x i32> <i32 0, i32 0>
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call void @helper(<2 x i8*> %A)
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ret void
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}
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define <4 x i8*> @test1(<4 x i8*> %a) {
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%gep = getelementptr <4 x i8*> %a, <4 x i32> zeroinitializer
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ret <4 x i8*> %gep
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; CHECK-LABEL: @test1
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; CHECK-NEXT: ret <4 x i8*> %a
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}
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define <4 x i8*> @test2(<4 x i8*> %a) {
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%gep = getelementptr <4 x i8*> %a
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ret <4 x i8*> %gep
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; CHECK-LABEL: @test2
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; CHECK-NEXT: ret <4 x i8*> %a
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}
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%struct = type { double, float }
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define <4 x float*> @test3() {
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%gep = getelementptr <4 x %struct*> undef, <4 x i32> <i32 1, i32 1, i32 1, i32 1>, <4 x i32> <i32 1, i32 1, i32 1, i32 1>
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ret <4 x float*> %gep
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; CHECK-LABEL: @test3
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; CHECK-NEXT: ret <4 x float*> undef
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}
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%struct.empty = type { }
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define <4 x %struct.empty*> @test4(<4 x %struct.empty*> %a) {
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%gep = getelementptr <4 x %struct.empty*> %a, <4 x i32> <i32 1, i32 1, i32 1, i32 1>
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ret <4 x %struct.empty*> %gep
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; CHECK-LABEL: @test4
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; CHECK-NEXT: ret <4 x %struct.empty*> %a
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}
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define <4 x i8*> @test5() {
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%c = inttoptr <4 x i64> <i64 1, i64 2, i64 3, i64 4> to <4 x i8*>
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%gep = getelementptr <4 x i8*> %c, <4 x i32> <i32 1, i32 1, i32 1, i32 1>
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ret <4 x i8*> %gep
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; CHECK-LABEL: @test5
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; CHECK-NEXT: ret <4 x i8*> getelementptr (<4 x i8*> <i8* inttoptr (i64 1 to i8*), i8* inttoptr (i64 2 to i8*), i8* inttoptr (i64 3 to i8*), i8* inttoptr (i64 4 to i8*)>, <4 x i32> <i32 1, i32 1, i32 1, i32 1>)
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}
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