diff options
Diffstat (limited to 'test/CodeGen/X86/musttail-indirect.ll')
| -rw-r--r-- | test/CodeGen/X86/musttail-indirect.ll | 124 |
1 files changed, 0 insertions, 124 deletions
diff --git a/test/CodeGen/X86/musttail-indirect.ll b/test/CodeGen/X86/musttail-indirect.ll deleted file mode 100644 index 7bb71c3fb038..000000000000 --- a/test/CodeGen/X86/musttail-indirect.ll +++ /dev/null @@ -1,124 +0,0 @@ -; RUN: llc < %s -mtriple=i686-win32 | FileCheck %s -; RUN: llc < %s -mtriple=i686-win32 -O0 | FileCheck %s - -; IR simplified from the following C++ snippet compiled for i686-windows-msvc: - -; struct A { A(); ~A(); int a; }; -; -; struct B { -; virtual int f(int); -; virtual int g(A, int, A); -; virtual void h(A, int, A); -; virtual A i(A, int, A); -; virtual A j(int); -; }; -; -; int (B::*mp_f)(int) = &B::f; -; int (B::*mp_g)(A, int, A) = &B::g; -; void (B::*mp_h)(A, int, A) = &B::h; -; A (B::*mp_i)(A, int, A) = &B::i; -; A (B::*mp_j)(int) = &B::j; - -; Each member pointer creates a thunk. The ones with inalloca are required to -; tail calls by the ABI, even at O0. - -%struct.B = type { i32 (...)** } -%struct.A = type { i32 } - -; CHECK-LABEL: f_thunk: -; CHECK: jmpl -; CHECK-NOT: ret -define x86_thiscallcc i32 @f_thunk(%struct.B* %this, i32) { -entry: - %1 = bitcast %struct.B* %this to i32 (%struct.B*, i32)*** - %vtable = load i32 (%struct.B*, i32)**, i32 (%struct.B*, i32)*** %1 - %2 = load i32 (%struct.B*, i32)*, i32 (%struct.B*, i32)** %vtable - %3 = musttail call x86_thiscallcc i32 %2(%struct.B* %this, i32 %0) - ret i32 %3 -} - -; Inalloca thunks shouldn't require any stores to the stack. -; CHECK-LABEL: g_thunk: -; CHECK-NOT: mov %{{.*}}, {{.*(.*esp.*)}} -; CHECK: jmpl -; CHECK-NOT: ret -define x86_thiscallcc i32 @g_thunk(%struct.B* %this, <{ %struct.A, i32, %struct.A }>* inalloca) { -entry: - %1 = bitcast %struct.B* %this to i32 (%struct.B*, <{ %struct.A, i32, %struct.A }>*)*** - %vtable = load i32 (%struct.B*, <{ %struct.A, i32, %struct.A }>*)**, i32 (%struct.B*, <{ %struct.A, i32, %struct.A }>*)*** %1 - %vfn = getelementptr inbounds i32 (%struct.B*, <{ %struct.A, i32, %struct.A }>*)*, i32 (%struct.B*, <{ %struct.A, i32, %struct.A }>*)** %vtable, i32 1 - %2 = load i32 (%struct.B*, <{ %struct.A, i32, %struct.A }>*)*, i32 (%struct.B*, <{ %struct.A, i32, %struct.A }>*)** %vfn - %3 = musttail call x86_thiscallcc i32 %2(%struct.B* %this, <{ %struct.A, i32, %struct.A }>* inalloca %0) - ret i32 %3 -} - -; CHECK-LABEL: h_thunk: -; CHECK: jmpl -; CHECK-NOT: mov %{{.*}}, {{.*(.*esp.*)}} -; CHECK-NOT: ret -define x86_thiscallcc void @h_thunk(%struct.B* %this, <{ %struct.A, i32, %struct.A }>* inalloca) { -entry: - %1 = bitcast %struct.B* %this to void (%struct.B*, <{ %struct.A, i32, %struct.A }>*)*** - %vtable = load void (%struct.B*, <{ %struct.A, i32, %struct.A }>*)**, void (%struct.B*, <{ %struct.A, i32, %struct.A }>*)*** %1 - %vfn = getelementptr inbounds void (%struct.B*, <{ %struct.A, i32, %struct.A }>*)*, void (%struct.B*, <{ %struct.A, i32, %struct.A }>*)** %vtable, i32 2 - %2 = load void (%struct.B*, <{ %struct.A, i32, %struct.A }>*)*, void (%struct.B*, <{ %struct.A, i32, %struct.A }>*)** %vfn - musttail call x86_thiscallcc void %2(%struct.B* %this, <{ %struct.A, i32, %struct.A }>* inalloca %0) - ret void -} - -; CHECK-LABEL: i_thunk: -; CHECK-NOT: mov %{{.*}}, {{.*(.*esp.*)}} -; CHECK: jmpl -; CHECK-NOT: ret -define x86_thiscallcc %struct.A* @i_thunk(%struct.B* %this, <{ %struct.A*, %struct.A, i32, %struct.A }>* inalloca) { -entry: - %1 = bitcast %struct.B* %this to %struct.A* (%struct.B*, <{ %struct.A*, %struct.A, i32, %struct.A }>*)*** - %vtable = load %struct.A* (%struct.B*, <{ %struct.A*, %struct.A, i32, %struct.A }>*)**, %struct.A* (%struct.B*, <{ %struct.A*, %struct.A, i32, %struct.A }>*)*** %1 - %vfn = getelementptr inbounds %struct.A* (%struct.B*, <{ %struct.A*, %struct.A, i32, %struct.A }>*)*, %struct.A* (%struct.B*, <{ %struct.A*, %struct.A, i32, %struct.A }>*)** %vtable, i32 3 - %2 = load %struct.A* (%struct.B*, <{ %struct.A*, %struct.A, i32, %struct.A }>*)*, %struct.A* (%struct.B*, <{ %struct.A*, %struct.A, i32, %struct.A }>*)** %vfn - %3 = musttail call x86_thiscallcc %struct.A* %2(%struct.B* %this, <{ %struct.A*, %struct.A, i32, %struct.A }>* inalloca %0) - ret %struct.A* %3 -} - -; CHECK-LABEL: j_thunk: -; CHECK: jmpl -; CHECK-NOT: ret -define x86_thiscallcc void @j_thunk(%struct.A* noalias sret %agg.result, %struct.B* %this, i32) { -entry: - %1 = bitcast %struct.B* %this to void (%struct.A*, %struct.B*, i32)*** - %vtable = load void (%struct.A*, %struct.B*, i32)**, void (%struct.A*, %struct.B*, i32)*** %1 - %vfn = getelementptr inbounds void (%struct.A*, %struct.B*, i32)*, void (%struct.A*, %struct.B*, i32)** %vtable, i32 4 - %2 = load void (%struct.A*, %struct.B*, i32)*, void (%struct.A*, %struct.B*, i32)** %vfn - musttail call x86_thiscallcc void %2(%struct.A* sret %agg.result, %struct.B* %this, i32 %0) - ret void -} - -; CHECK-LABEL: _stdcall_thunk@8: -; CHECK-NOT: mov %{{.*}}, {{.*(.*esp.*)}} -; CHECK: jmpl -; CHECK-NOT: ret -define x86_stdcallcc i32 @stdcall_thunk(<{ %struct.B*, %struct.A }>* inalloca) { -entry: - %this_ptr = getelementptr inbounds <{ %struct.B*, %struct.A }>, <{ %struct.B*, %struct.A }>* %0, i32 0, i32 0 - %this = load %struct.B*, %struct.B** %this_ptr - %1 = bitcast %struct.B* %this to i32 (<{ %struct.B*, %struct.A }>*)*** - %vtable = load i32 (<{ %struct.B*, %struct.A }>*)**, i32 (<{ %struct.B*, %struct.A }>*)*** %1 - %vfn = getelementptr inbounds i32 (<{ %struct.B*, %struct.A }>*)*, i32 (<{ %struct.B*, %struct.A }>*)** %vtable, i32 1 - %2 = load i32 (<{ %struct.B*, %struct.A }>*)*, i32 (<{ %struct.B*, %struct.A }>*)** %vfn - %3 = musttail call x86_stdcallcc i32 %2(<{ %struct.B*, %struct.A }>* inalloca %0) - ret i32 %3 -} - -; CHECK-LABEL: @fastcall_thunk@8: -; CHECK-NOT: mov %{{.*}}, {{.*(.*esp.*)}} -; CHECK: jmpl -; CHECK-NOT: ret -define x86_fastcallcc i32 @fastcall_thunk(%struct.B* inreg %this, <{ %struct.A }>* inalloca) { -entry: - %1 = bitcast %struct.B* %this to i32 (%struct.B*, <{ %struct.A }>*)*** - %vtable = load i32 (%struct.B*, <{ %struct.A }>*)**, i32 (%struct.B*, <{ %struct.A }>*)*** %1 - %vfn = getelementptr inbounds i32 (%struct.B*, <{ %struct.A }>*)*, i32 (%struct.B*, <{ %struct.A }>*)** %vtable, i32 1 - %2 = load i32 (%struct.B*, <{ %struct.A }>*)*, i32 (%struct.B*, <{ %struct.A }>*)** %vfn - %3 = musttail call x86_fastcallcc i32 %2(%struct.B* inreg %this, <{ %struct.A }>* inalloca %0) - ret i32 %3 -} |
