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author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-06-28 06:25:03 +0000 |
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committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-06-28 06:25:03 +0000 |
commit | c1ce95fc256b6b83479304b67db58265f36af6ef (patch) | |
tree | 3ec2e46e5490d1f8f4794886a0fb8c0461c0f217 | |
parent | 6d64a04a4d1c2f4f6f8877cc0811a4d4386e518f (diff) | |
download | external_llvm-c1ce95fc256b6b83479304b67db58265f36af6ef.zip external_llvm-c1ce95fc256b6b83479304b67db58265f36af6ef.tar.gz external_llvm-c1ce95fc256b6b83479304b67db58265f36af6ef.tar.bz2 |
FileCheckize a couple of tests.
Also and add a test for popping dead return values and avoid testing the
spill precision.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133997 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r-- | test/CodeGen/X86/fp-stack-ret.ll | 27 | ||||
-rw-r--r-- | test/CodeGen/X86/pr1505b.ll | 25 |
2 files changed, 44 insertions, 8 deletions
diff --git a/test/CodeGen/X86/fp-stack-ret.ll b/test/CodeGen/X86/fp-stack-ret.ll index c83a0cb..1307f70 100644 --- a/test/CodeGen/X86/fp-stack-ret.ll +++ b/test/CodeGen/X86/fp-stack-ret.ll @@ -1,25 +1,40 @@ -; RUN: llc < %s -mtriple=i686-apple-darwin8 -mcpu=yonah -march=x86 > %t -; RUN: grep fldl %t | count 1 -; RUN: not grep xmm %t -; RUN: grep {sub.*esp} %t | count 1 +; RUN: llc < %s -mtriple=i686-apple-darwin8 -mcpu=yonah -march=x86 | FileCheck %s ; These testcases shouldn't require loading into an XMM register then storing ; to memory, then reloading into an FPStack reg. +; CHECK: test1 +; CHECK: fldl +; CHECK-NEXT: ret define double @test1(double *%P) { %A = load double* %P ret double %A } -; fastcc should return a value +; fastcc should return a value +; CHECK: test2 +; CHECK-NOT: xmm +; CHECK: ret define fastcc double @test2(<2 x double> %A) { %B = extractelement <2 x double> %A, i32 0 ret double %B } +; CHECK: test3 +; CHECK: sub{{.*}}%esp +; CHECLK-NOT: xmm define fastcc double @test3(<4 x float> %A) { %B = bitcast <4 x float> %A to <2 x double> %C = call fastcc double @test2(<2 x double> %B) ret double %C } - + +; Clear the stack when not using a return value. +; CHECK: test4 +; CHECK: call +; CHECK: fstp +; CHECK: ret +define void @test4(double *%P) { + %A = call double @test1(double *%P) + ret void +} diff --git a/test/CodeGen/X86/pr1505b.ll b/test/CodeGen/X86/pr1505b.ll index 6a08dae..945ec4c 100644 --- a/test/CodeGen/X86/pr1505b.ll +++ b/test/CodeGen/X86/pr1505b.ll @@ -1,5 +1,4 @@ -; RUN: llc < %s -mcpu=i486 | grep fstpl | count 5 -; RUN: llc < %s -mcpu=i486 | grep fstps | count 2 +; RUN: llc < %s -mcpu=i486 | FileCheck %s ; PR1505 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" @@ -30,19 +29,41 @@ declare void @_ZNSt8ios_base4InitC1Ev(%"struct.std::ctype_base"*) declare i32 @__cxa_atexit(void (i8*)*, i8*, i8*) +; CHECK: main define i32 @main() { entry: +; CHECK: flds %tmp6 = volatile load float* @a ; <float> [#uses=1] +; CHECK: fstps (%esp) +; CHECK: tanf %tmp9 = tail call float @tanf( float %tmp6 ) ; <float> [#uses=1] +; Spill returned value: +; CHECK: fstp + +; CHECK: fldl %tmp12 = volatile load double* @b ; <double> [#uses=1] +; CHECK: fstpl (%esp) +; CHECK: tan %tmp13 = tail call double @tan( double %tmp12 ) ; <double> [#uses=1] +; Spill returned value: +; CHECK: fstp %tmp1314 = fptrunc double %tmp13 to float ; <float> [#uses=1] %tmp16 = tail call %"struct.std::basic_ostream<char,std::char_traits<char> >"* @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc( %"struct.std::basic_ostream<char,std::char_traits<char> >"* @_ZSt4cout, i8* getelementptr ([12 x i8]* @.str, i32 0, i32 0) ) ; <%"struct.std::basic_ostream<char,std::char_traits<char> >"*> [#uses=1] %tmp1920 = fpext float %tmp9 to double ; <double> [#uses=1] +; reload: +; CHECK: fld +; CHECK: fstpl +; CHECK: ZNSolsEd %tmp22 = tail call %"struct.std::basic_ostream<char,std::char_traits<char> >"* @_ZNSolsEd( %"struct.std::basic_ostream<char,std::char_traits<char> >"* %tmp16, double %tmp1920 ) ; <%"struct.std::basic_ostream<char,std::char_traits<char> >"*> [#uses=1] %tmp30 = tail call %"struct.std::basic_ostream<char,std::char_traits<char> >"* @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_( %"struct.std::basic_ostream<char,std::char_traits<char> >"* %tmp22 ) ; <%"struct.std::basic_ostream<char,std::char_traits<char> >"*> [#uses=0] +; reload: +; CHECK: fld +; CHECK: fstps +; CHECK: ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc %tmp34 = tail call %"struct.std::basic_ostream<char,std::char_traits<char> >"* @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc( %"struct.std::basic_ostream<char,std::char_traits<char> >"* @_ZSt4cout, i8* getelementptr ([13 x i8]* @.str1, i32 0, i32 0) ) ; <%"struct.std::basic_ostream<char,std::char_traits<char> >"*> [#uses=1] %tmp3940 = fpext float %tmp1314 to double ; <double> [#uses=1] +; CHECK: fstpl +; CHECK: ZNSolsEd %tmp42 = tail call %"struct.std::basic_ostream<char,std::char_traits<char> >"* @_ZNSolsEd( %"struct.std::basic_ostream<char,std::char_traits<char> >"* %tmp34, double %tmp3940 ) ; <%"struct.std::basic_ostream<char,std::char_traits<char> >"*> [#uses=1] %tmp51 = tail call %"struct.std::basic_ostream<char,std::char_traits<char> >"* @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_( %"struct.std::basic_ostream<char,std::char_traits<char> >"* %tmp42 ) ; <%"struct.std::basic_ostream<char,std::char_traits<char> >"*> [#uses=0] ret i32 0 |