diff options
Diffstat (limited to 'test/CodeGen/X86/win32_sret.ll')
| -rw-r--r-- | test/CodeGen/X86/win32_sret.ll | 238 |
1 files changed, 0 insertions, 238 deletions
diff --git a/test/CodeGen/X86/win32_sret.ll b/test/CodeGen/X86/win32_sret.ll deleted file mode 100644 index 0a5d62cb635e..000000000000 --- a/test/CodeGen/X86/win32_sret.ll +++ /dev/null @@ -1,238 +0,0 @@ -; We specify -mcpu explicitly to avoid instruction reordering that happens on -; some setups (e.g., Atom) from affecting the output. -; RUN: llc < %s -mcpu=core2 -mtriple=i686-pc-win32 | FileCheck %s -check-prefix=WIN32 -; RUN: llc < %s -mcpu=core2 -mtriple=i686-pc-mingw32 | FileCheck %s -check-prefix=MINGW_X86 -; RUN: llc < %s -mcpu=core2 -mtriple=i686-pc-cygwin | FileCheck %s -check-prefix=CYGWIN -; RUN: llc < %s -mcpu=core2 -mtriple=i386-pc-linux | FileCheck %s -check-prefix=LINUX -; RUN: llc < %s -mcpu=core2 -O0 -mtriple=i686-pc-win32 | FileCheck %s -check-prefix=WIN32 -; RUN: llc < %s -mcpu=core2 -O0 -mtriple=i686-pc-mingw32 | FileCheck %s -check-prefix=MINGW_X86 -; RUN: llc < %s -mcpu=core2 -O0 -mtriple=i686-pc-cygwin | FileCheck %s -check-prefix=CYGWIN -; RUN: llc < %s -mcpu=core2 -O0 -mtriple=i386-pc-linux | FileCheck %s -check-prefix=LINUX - -; The SysV ABI used by most Unixes and Mingw on x86 specifies that an sret pointer -; is callee-cleanup. However, in MSVC's cdecl calling convention, sret pointer -; arguments are caller-cleanup like normal arguments. - -define void @sret1(i8* sret %x) nounwind { -entry: -; WIN32-LABEL: _sret1: -; WIN32: movb $42, (%eax) -; WIN32-NOT: popl %eax -; WIN32: {{retl$}} - -; MINGW_X86-LABEL: _sret1: -; MINGW_X86: {{retl$}} - -; CYGWIN-LABEL: _sret1: -; CYGWIN: retl $4 - -; LINUX-LABEL: sret1: -; LINUX: retl $4 - - store i8 42, i8* %x, align 4 - ret void -} - -define void @sret2(i8* sret %x, i8 %y) nounwind { -entry: -; WIN32-LABEL: _sret2: -; WIN32: movb {{.*}}, (%eax) -; WIN32-NOT: popl %eax -; WIN32: {{retl$}} - -; MINGW_X86-LABEL: _sret2: -; MINGW_X86: {{retl$}} - -; CYGWIN-LABEL: _sret2: -; CYGWIN: retl $4 - -; LINUX-LABEL: sret2: -; LINUX: retl $4 - - store i8 %y, i8* %x - ret void -} - -define void @sret3(i8* sret %x, i8* %y) nounwind { -entry: -; WIN32-LABEL: _sret3: -; WIN32: movb $42, (%eax) -; WIN32-NOT: movb $13, (%eax) -; WIN32-NOT: popl %eax -; WIN32: {{retl$}} - -; MINGW_X86-LABEL: _sret3: -; MINGW_X86: {{retl$}} - -; CYGWIN-LABEL: _sret3: -; CYGWIN: retl $4 - -; LINUX-LABEL: sret3: -; LINUX: retl $4 - - store i8 42, i8* %x - store i8 13, i8* %y - ret void -} - -; PR15556 -%struct.S4 = type { i32, i32, i32 } - -define void @sret4(%struct.S4* noalias sret %agg.result) { -entry: -; WIN32-LABEL: _sret4: -; WIN32: movl $42, (%eax) -; WIN32-NOT: popl %eax -; WIN32: {{retl$}} - -; MINGW_X86-LABEL: _sret4: -; MINGW_X86: {{retl$}} - -; CYGWIN-LABEL: _sret4: -; CYGWIN: retl $4 - -; LINUX-LABEL: sret4: -; LINUX: retl $4 - - %x = getelementptr inbounds %struct.S4, %struct.S4* %agg.result, i32 0, i32 0 - store i32 42, i32* %x, align 4 - ret void -} - -%struct.S5 = type { i32 } -%class.C5 = type { i8 } - -define x86_thiscallcc void @"\01?foo@C5@@QAE?AUS5@@XZ"(%struct.S5* noalias sret %agg.result, %class.C5* %this) { -entry: - %this.addr = alloca %class.C5*, align 4 - store %class.C5* %this, %class.C5** %this.addr, align 4 - %this1 = load %class.C5*, %class.C5** %this.addr - %x = getelementptr inbounds %struct.S5, %struct.S5* %agg.result, i32 0, i32 0 - store i32 42, i32* %x, align 4 - ret void -; WIN32-LABEL: {{^}}"?foo@C5@@QAE?AUS5@@XZ": -; MINGW_X86-LABEL: {{^}}"?foo@C5@@QAE?AUS5@@XZ": -; CYGWIN-LABEL: {{^}}"?foo@C5@@QAE?AUS5@@XZ": -; LINUX-LABEL: {{^}}"?foo@C5@@QAE?AUS5@@XZ": - -; The address of the return structure is passed as an implicit parameter. -; In the -O0 build, %eax is spilled at the beginning of the function, hence we -; should match both 4(%esp) and 8(%esp). -; WIN32: {{[48]}}(%esp), %eax -; WIN32: movl $42, (%eax) -; WIN32: retl $4 -} - -define void @call_foo5() { -entry: - %c = alloca %class.C5, align 1 - %s = alloca %struct.S5, align 4 - call x86_thiscallcc void @"\01?foo@C5@@QAE?AUS5@@XZ"(%struct.S5* sret %s, %class.C5* %c) -; WIN32-LABEL: {{^}}_call_foo5: -; MINGW_X86-LABEL: {{^}}_call_foo5: -; CYGWIN-LABEL: {{^}}_call_foo5: -; LINUX-LABEL: {{^}}call_foo5: - - -; Load the address of the result and put it onto stack -; The this pointer goes to ECX. -; (through %ecx in the -O0 build). -; WIN32: leal {{[0-9]*}}(%esp), %e{{[a-d]}}x -; WIN32: {{leal [1-9]+\(%esp\)|movl %esp}}, %ecx -; WIN32: {{pushl %e[a-d]x|movl %e[a-d]x, \(%esp\)}} -; WIN32-NEXT: calll "?foo@C5@@QAE?AUS5@@XZ" -; WIN32: retl - ret void -} - - -%struct.test6 = type { i32, i32, i32 } -define void @test6_f(%struct.test6* %x) nounwind { -; WIN32-LABEL: _test6_f: -; MINGW_X86-LABEL: _test6_f: -; CYGWIN-LABEL: _test6_f: -; LINUX-LABEL: test6_f: - -; The %x argument is moved to %ecx. It will be the this pointer. -; WIN32: movl {{16|20}}(%esp), %ecx - - -; The sret pointer is (%esp) -; WIN32: {{leal 4\(%esp\)|movl %esp}}, %eax -; WIN32-NEXT: {{pushl %eax|movl %eax, \(%esp\)}} - -; The sret pointer is %ecx -; The %x argument is moved to (%esp). It will be the this pointer. -; MINGW_X86: {{leal 4\(%esp\)|movl %esp}}, %ecx -; MINGW_X86-NEXT: {{pushl 16\(%esp\)|movl %eax, \(%esp\)}} -; MINGW_X86-NEXT: calll _test6_g - -; CYGWIN: {{leal 4\(%esp\)|movl %esp}}, %ecx -; CYGWIN-NEXT: {{pushl 16\(%esp\)|movl %eax, \(%esp\)}} -; CYGWIN-NEXT: calll _test6_g - - %tmp = alloca %struct.test6, align 4 - call x86_thiscallcc void @test6_g(%struct.test6* sret %tmp, %struct.test6* %x) - ret void -} -declare x86_thiscallcc void @test6_g(%struct.test6* sret, %struct.test6*) - -; Flipping the parameters at the IR level generates the same code. -%struct.test7 = type { i32, i32, i32 } -define void @test7_f(%struct.test7* %x) nounwind { -; WIN32-LABEL: _test7_f: -; MINGW_X86-LABEL: _test7_f: -; CYGWIN-LABEL: _test7_f: -; LINUX-LABEL: test7_f: - -; The %x argument is moved to %ecx on all OSs. It will be the this pointer. -; WIN32: movl {{16|20}}(%esp), %ecx -; MINGW_X86: movl {{16|20}}(%esp), %ecx -; CYGWIN: movl {{16|20}}(%esp), %ecx - -; The sret pointer is (%esp) -; WIN32: {{leal 4\(%esp\)|movl %esp}}, %eax -; WIN32-NEXT: {{pushl %eax|movl %eax, \(%esp\)}} -; MINGW_X86: {{leal 4\(%esp\)|movl %esp}}, %eax -; MINGW_X86-NEXT: {{pushl %eax|movl %eax, \(%esp\)}} -; CYGWIN: {{leal 4\(%esp\)|movl %esp}}, %eax -; CYGWIN-NEXT: {{pushl %eax|movl %eax, \(%esp\)}} - - %tmp = alloca %struct.test7, align 4 - call x86_thiscallcc void @test7_g(%struct.test7* %x, %struct.test7* sret %tmp) - ret void -} - -define x86_thiscallcc void @test7_g(%struct.test7* %in, %struct.test7* sret %out) { - %s = getelementptr %struct.test7, %struct.test7* %in, i32 0, i32 0 - %d = getelementptr %struct.test7, %struct.test7* %out, i32 0, i32 0 - %v = load i32, i32* %s - store i32 %v, i32* %d - call void @clobber_eax() - ret void - -; Make sure we return the second parameter in %eax. -; WIN32-LABEL: _test7_g: -; WIN32: calll _clobber_eax -; WIN32: movl {{.*}}, %eax -; WIN32: retl -} - -declare void @clobber_eax() - -; Test what happens if the first parameter has to be split by codegen. -; Realistically, no frontend will generate code like this, but here it is for -; completeness. -define void @test8_f(i64 inreg %a, i64* sret %out) { - store i64 %a, i64* %out - call void @clobber_eax() - ret void - -; WIN32-LABEL: _test8_f: -; WIN32: movl {{[0-9]+}}(%esp), %[[out:[a-z]+]] -; WIN32-DAG: movl %edx, 4(%[[out]]) -; WIN32-DAG: movl %eax, (%[[out]]) -; WIN32: calll _clobber_eax -; WIN32: movl {{.*}}, %eax -; WIN32: retl -} |
