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38 lines
2.6 KiB
LLVM
38 lines
2.6 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py
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; RUN: opt -passes="print<cost-model>" 2>&1 -disable-output -mtriple=amdgcn-unknown-amdhsa -mcpu=gfx1010 < %s | FileCheck -check-prefixes=ALL %s
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; RUN: opt -passes="print<cost-model>" 2>&1 -disable-output -mtriple=amdgcn-unknown-amdhsa -mcpu=gfx90a < %s | FileCheck -check-prefixes=ALL %s
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; RUN: opt -passes="print<cost-model>" 2>&1 -disable-output -mtriple=amdgcn-unknown-amdhsa -mcpu=gfx900 < %s | FileCheck -check-prefixes=ALL %s
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; RUN: opt -passes="print<cost-model>" 2>&1 -disable-output -mtriple=amdgcn-unknown-amdhsa < %s | FileCheck -check-prefixes=ALL %s
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; RUN: opt -passes="print<cost-model>" -cost-kind=code-size 2>&1 -disable-output -mtriple=amdgcn-unknown-amdhsa -mcpu=gfx1010 < %s | FileCheck -check-prefixes=ALL-SIZE %s
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; RUN: opt -passes="print<cost-model>" -cost-kind=code-size 2>&1 -disable-output -mtriple=amdgcn-unknown-amdhsa -mcpu=gfx90a < %s | FileCheck -check-prefixes=ALL-SIZE %s
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; RUN: opt -passes="print<cost-model>" -cost-kind=code-size 2>&1 -disable-output -mtriple=amdgcn-unknown-amdhsa -mcpu=gfx900 < %s | FileCheck -check-prefixes=ALL-SIZE %s
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; RUN: opt -passes="print<cost-model>" -cost-kind=code-size 2>&1 -disable-output -mtriple=amdgcn-unknown-amdhsa < %s | FileCheck -check-prefixes=ALL-SIZE %s
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; END.
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define void @test_geps() {
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; ALL-LABEL: 'test_geps'
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; ALL-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %giant_gep0 = getelementptr inbounds i8, ptr undef, i64 9223372036854775807
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; ALL-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %giant_gep1 = getelementptr inbounds i8, ptr undef, i128 295147905179352825855
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; ALL-NEXT: Cost Model: Found an estimated cost of 10 for instruction: ret void
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;
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; ALL-SIZE-LABEL: 'test_geps'
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; ALL-SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %giant_gep0 = getelementptr inbounds i8, ptr undef, i64 9223372036854775807
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; ALL-SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %giant_gep1 = getelementptr inbounds i8, ptr undef, i128 295147905179352825855
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; ALL-SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
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;
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; Check that we handle outlandishly large GEPs properly. This is unlikely to
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; be a valid pointer, but LLVM still generates GEPs like this sometimes in
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; dead code.
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; This GEP has index INT64_MAX, which is cost 1.
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%giant_gep0 = getelementptr inbounds i8, ptr undef, i64 9223372036854775807
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; This GEP index wraps around to -1, which is cost 0.
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%giant_gep1 = getelementptr inbounds i8, ptr undef, i128 295147905179352825855
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ret void
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}
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