1b1c8d83d3
Turning on `enable_noundef_analysis` flag allows better codegen by removing freeze instructions. I modified clang by renaming `enable_noundef_analysis` flag to `disable-noundef-analysis` and turning it off by default. Test updates are made as a separate patch: D108453 Reviewed By: eugenis Differential Revision: https://reviews.llvm.org/D105169
42 lines
1.8 KiB
C++
42 lines
1.8 KiB
C++
// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=nvptx64-nvidia-cuda -emit-llvm-bc %s -o %t-ppc-host.bc
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// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple nvptx64-unknown-unknown -aux-triple powerpc64le-unknown-unknown -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path %t-ppc-host.bc -o - | FileCheck %s --implicit-check-not='call i32 {@_Z3bazv|@_Z3barv}'
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// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple nvptx64-unknown-unknown -aux-triple powerpc64le-unknown-unknown -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path %t-ppc-host.bc -emit-pch -o %t
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// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple nvptx64-unknown-unknown -aux-triple powerpc64le-unknown-unknown -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path %t-ppc-host.bc -include-pch %t -o - | FileCheck %s --implicit-check-not='call i32 {@_Z3bazv|@_Z3barv}'
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// expected-no-diagnostics
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// CHECK-DAG: @_Z3barv
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// CHECK-DAG: @_Z3bazv
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// CHECK-DAG: define{{.*}} @"_Z53bar$ompvariant$S2$s7$Pnvptx$Pnvptx64$S3$s9$Pmatch_anyv"
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// CHECK-DAG: define{{.*}} @"_Z53baz$ompvariant$S2$s7$Pnvptx$Pnvptx64$S3$s9$Pmatch_anyv"
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// CHECK-DAG: call noundef i32 @"_Z53bar$ompvariant$S2$s7$Pnvptx$Pnvptx64$S3$s9$Pmatch_anyv"()
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// CHECK-DAG: call noundef i32 @"_Z53baz$ompvariant$S2$s7$Pnvptx$Pnvptx64$S3$s9$Pmatch_anyv"()
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#ifndef HEADER
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#define HEADER
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#pragma omp declare target
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int bar() { return 1; }
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int baz() { return 5; }
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#pragma omp begin declare variant match(device = {arch(nvptx, nvptx64)}, implementation = {extension(match_any)})
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int bar() { return 2; }
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int baz() { return 6; }
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#pragma omp end declare variant
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#pragma omp end declare target
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int main() {
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int res;
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#pragma omp target map(from \
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: res)
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res = bar() + baz();
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return res;
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}
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#endif
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