diff options
Diffstat (limited to 'test/CodeGen/ARM64/this-return.ll')
-rw-r--r-- | test/CodeGen/ARM64/this-return.ll | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/test/CodeGen/ARM64/this-return.ll b/test/CodeGen/ARM64/this-return.ll new file mode 100644 index 0000000..30f5b9b --- /dev/null +++ b/test/CodeGen/ARM64/this-return.ll @@ -0,0 +1,83 @@ +; RUN: llc < %s -march=arm64 | FileCheck %s + +%struct.A = type { i8 } +%struct.B = type { i32 } +%struct.C = type { %struct.B } +%struct.D = type { %struct.B } +%struct.E = type { %struct.B, %struct.B } + +declare %struct.A* @A_ctor_base(%struct.A* returned) +declare %struct.B* @B_ctor_base(%struct.B* returned, i32) +declare %struct.B* @B_ctor_complete(%struct.B* returned, i32) + +declare %struct.A* @A_ctor_base_nothisret(%struct.A*) +declare %struct.B* @B_ctor_base_nothisret(%struct.B*, i32) +declare %struct.B* @B_ctor_complete_nothisret(%struct.B*, i32) + +define %struct.C* @C_ctor_base(%struct.C* returned %this, i32 %x) { +entry: +; CHECK-LABEL: C_ctor_base: +; CHECK-NOT: mov {{x[0-9]+}}, x0 +; CHECK: bl {{_?A_ctor_base}} +; CHECK-NOT: mov x0, {{x[0-9]+}} +; CHECK: b {{_?B_ctor_base}} + %0 = bitcast %struct.C* %this to %struct.A* + %call = tail call %struct.A* @A_ctor_base(%struct.A* %0) + %1 = getelementptr inbounds %struct.C* %this, i32 0, i32 0 + %call2 = tail call %struct.B* @B_ctor_base(%struct.B* %1, i32 %x) + ret %struct.C* %this +} + +define %struct.C* @C_ctor_base_nothisret(%struct.C* %this, i32 %x) { +entry: +; CHECK-LABEL: C_ctor_base_nothisret: +; CHECK: mov [[SAVETHIS:x[0-9]+]], x0 +; CHECK: bl {{_?A_ctor_base_nothisret}} +; CHECK: mov x0, [[SAVETHIS]] +; CHECK-NOT: b {{_?B_ctor_base_nothisret}} + %0 = bitcast %struct.C* %this to %struct.A* + %call = tail call %struct.A* @A_ctor_base_nothisret(%struct.A* %0) + %1 = getelementptr inbounds %struct.C* %this, i32 0, i32 0 + %call2 = tail call %struct.B* @B_ctor_base_nothisret(%struct.B* %1, i32 %x) + ret %struct.C* %this +} + +define %struct.C* @C_ctor_complete(%struct.C* %this, i32 %x) { +entry: +; CHECK-LABEL: C_ctor_complete: +; CHECK: b {{_?C_ctor_base}} + %call = tail call %struct.C* @C_ctor_base(%struct.C* %this, i32 %x) + ret %struct.C* %this +} + +define %struct.C* @C_ctor_complete_nothisret(%struct.C* %this, i32 %x) { +entry: +; CHECK-LABEL: C_ctor_complete_nothisret: +; CHECK-NOT: b {{_?C_ctor_base_nothisret}} + %call = tail call %struct.C* @C_ctor_base_nothisret(%struct.C* %this, i32 %x) + ret %struct.C* %this +} + +define %struct.D* @D_ctor_base(%struct.D* %this, i32 %x) { +entry: +; CHECK-LABEL: D_ctor_base: +; CHECK-NOT: mov {{x[0-9]+}}, x0 +; CHECK: bl {{_?B_ctor_complete}} +; CHECK-NOT: mov x0, {{x[0-9]+}} +; CHECK: b {{_?B_ctor_complete}} + %b = getelementptr inbounds %struct.D* %this, i32 0, i32 0 + %call = tail call %struct.B* @B_ctor_complete(%struct.B* %b, i32 %x) + %call2 = tail call %struct.B* @B_ctor_complete(%struct.B* %b, i32 %x) + ret %struct.D* %this +} + +define %struct.E* @E_ctor_base(%struct.E* %this, i32 %x) { +entry: +; CHECK-LABEL: E_ctor_base: +; CHECK-NOT: b {{_?B_ctor_complete}} + %b = getelementptr inbounds %struct.E* %this, i32 0, i32 0 + %call = tail call %struct.B* @B_ctor_complete(%struct.B* %b, i32 %x) + %b2 = getelementptr inbounds %struct.E* %this, i32 0, i32 1 + %call2 = tail call %struct.B* @B_ctor_complete(%struct.B* %b2, i32 %x) + ret %struct.E* %this +} |