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https://github.com/c64scene-ar/llvm-6502.git
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355e0a6460
rdar://problem/11861387 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208214 91177308-0d34-0410-b5e6-96231b3b80d8
26 lines
946 B
LLVM
26 lines
946 B
LLVM
; RUN: opt < %s -instcombine -S | FileCheck %s
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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; Check that we can find and remove redundant insertvalues
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; CHECK-LABEL: foo_simple
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; CHECK-NOT: i8* %x, 0
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define { i8*, i64, i32 } @foo_simple(i8* %x, i8* %y) nounwind {
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entry:
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%0 = insertvalue { i8*, i64, i32 } undef, i8* %x, 0
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%1 = insertvalue { i8*, i64, i32 } %0, i8* %y, 0
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ret { i8*, i64, i32 } %1
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}
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; Check that we can find and remove redundant nodes in insertvalues chain
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; CHECK-LABEL: foo_ovwrt_chain
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; CHECK-NOT: i64 %y, 1
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; CHECK-NOT: i32 555, 2
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define { i8*, i64, i32 } @foo_ovwrt_chain(i8* %x, i64 %y, i64 %z) nounwind {
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entry:
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%0 = insertvalue { i8*, i64, i32 } undef, i8* %x, 0
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%1 = insertvalue { i8*, i64, i32 } %0, i64 %y, 1
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%2 = insertvalue { i8*, i64, i32 } %1, i32 555, 2
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%3 = insertvalue { i8*, i64, i32 } %2, i64 %z, 1
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%4 = insertvalue { i8*, i64, i32 } %3, i32 777, 2
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ret { i8*, i64, i32 } %4
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}
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