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`llc -march` is problematic because it only switches the target architecture, but leaves the operating system unchanged. This occasionally leads to indeterministic tests because the OS from LLVM_DEFAULT_TARGET_TRIPLE is used. However we can simply always use `llc -mtriple` instead. This changes all the tests to do this to avoid people using -march when they copy and paste parts of tests. See also the discussion in https://reviews.llvm.org/D35287 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@309774 91177308-0d34-0410-b5e6-96231b3b80d8
23 lines
586 B
LLVM
23 lines
586 B
LLVM
; RUN: llc < %s -mtriple=x86_64-- -mcpu=generic | FileCheck %s --check-prefix=CHECK --check-prefix=X86-64
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; RUN: llc < %s -mtriple=i686-- -mcpu=generic | FileCheck %s --check-prefix=CHECK --check-prefix=X86
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; Verify that we correctly lower the "Read Performance-Monitoring Counters"
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; x86 builtin.
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define i64 @test_builtin_read_pmc(i32 %ID) {
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%1 = tail call i64 @llvm.x86.rdpmc(i32 %ID)
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ret i64 %1
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}
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; CHECK-LABEL: test_builtin_read_pmc
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; CHECK: rdpmc
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; X86-NOT: shlq
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; X86-NOT: or
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; X86-64: shlq
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; X86-64: or
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; CHECK-NOT: mov
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; CHECK: ret
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declare i64 @llvm.x86.rdpmc(i32 %ID)
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