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llvm-6502/test/CodeGen/X86/tail-call-got.ll

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This test requires sse, otherwise x87 ops will block tailcall optimization git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138859 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-31 16:49:05 +00:00
; RUN: llc < %s -relocation-model=pic -mattr=+sse2 | FileCheck %s
Fix X86TargetLowering::LowerExternalSymbol so that it actually works in non-trivial cases. This hasn't been an issue before because the function isn't normally called (but apparently is used to generate a tail-call to sin() on ELF x86-32 with PIC and SSE2). Fixes PR9693. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137292 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-11 01:48:05 +00:00
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32"
target triple = "i386-unknown-freebsd9.0"
define double @test1(double %x) nounwind readnone {
Convert CodeGen/*/*.ll tests to use the new CHECK-LABEL for easier debugging. No functionality change and all tests pass after conversion. This was done with the following sed invocation to catch label lines demarking function boundaries: sed -i '' "s/^;\( *\)\([A-Z0-9_]*\):\( *\)test\([A-Za-z0-9_-]*\):\( *\)$/;\1\2-LABEL:\3test\4:\5/g" test/CodeGen/*/*.ll which was written conservatively to avoid false positives rather than false negatives. I scanned through all the changes and everything looks correct. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186258 91177308-0d34-0410-b5e6-96231b3b80d8
2013-07-13 20:38:47 +00:00
; CHECK-LABEL: test1:
Revert r195318 as it causes miscompilation (PR18029) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@195439 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-22 10:30:39 +00:00
; CHECK: movl foo@GOT
; CHECK-NEXT: jmpl
Fix X86TargetLowering::LowerExternalSymbol so that it actually works in non-trivial cases. This hasn't been an issue before because the function isn't normally called (but apparently is used to generate a tail-call to sin() on ELF x86-32 with PIC and SSE2). Fixes PR9693. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137292 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-11 01:48:05 +00:00
%1 = tail call double @foo(double %x) nounwind readnone
ret double %1
}
declare double @foo(double) readnone
define double @test2(double %x) nounwind readnone {
Convert CodeGen/*/*.ll tests to use the new CHECK-LABEL for easier debugging. No functionality change and all tests pass after conversion. This was done with the following sed invocation to catch label lines demarking function boundaries: sed -i '' "s/^;\( *\)\([A-Z0-9_]*\):\( *\)test\([A-Za-z0-9_-]*\):\( *\)$/;\1\2-LABEL:\3test\4:\5/g" test/CodeGen/*/*.ll which was written conservatively to avoid false positives rather than false negatives. I scanned through all the changes and everything looks correct. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186258 91177308-0d34-0410-b5e6-96231b3b80d8
2013-07-13 20:38:47 +00:00
; CHECK-LABEL: test2:
Revert r195318 as it causes miscompilation (PR18029) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@195439 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-22 10:30:39 +00:00
; CHECK: movl sin@GOT
; CHECK-NEXT: jmpl
Fix X86TargetLowering::LowerExternalSymbol so that it actually works in non-trivial cases. This hasn't been an issue before because the function isn't normally called (but apparently is used to generate a tail-call to sin() on ELF x86-32 with PIC and SSE2). Fixes PR9693. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137292 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-11 01:48:05 +00:00
%1 = tail call double @sin(double %x) nounwind readnone
ret double %1
}
declare double @sin(double) readnone
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