| ; RUN: llc < %s -mtriple=arm64-apple-ios7.0 -homogeneous-prolog-epilog| FileCheck %s |
| ; RUN: llc < %s -mtriple=aarch64-unknown-linux-gnu -homogeneous-prolog-epilog | FileCheck %s --check-prefixes=CHECK-LINUX |
| |
| ; CHECK-LABEL: __Z3hooii: |
| ; CHECK: stp x29, x30, [sp, #-16]! |
| ; CHECK-NEXT: bl _OUTLINED_FUNCTION_PROLOG_x30x29x19x20x21x22 |
| ; CHECK: bl __Z3gooi |
| ; CHECK: bl __Z3gooi |
| ; CHECK: bl _OUTLINED_FUNCTION_EPILOG_x30x29x19x20x21x22 |
| ; CHECK-NEXT: b __Z3gooi |
| |
| ; CHECK-LINUX-LABEL: _Z3hooii: |
| ; CHECK-LINUX: stp x29, x30, [sp, #-48]! |
| ; CHECK-LINUX-NEXT: bl OUTLINED_FUNCTION_PROLOG_x19x20x21x22x30x29 |
| ; CHECK-LINUX: bl _Z3gooi |
| ; CHECK-LINUX: bl _Z3gooi |
| ; CHECK-LINUX: bl OUTLINED_FUNCTION_EPILOG_x19x20x21x22x30x29 |
| ; CHECK-LINUX-NEXT: b _Z3gooi |
| |
| define i32 @_Z3hooii(i32 %b, i32 %a) nounwind ssp minsize { |
| %1 = tail call i32 @_Z3gooi(i32 %b) |
| %2 = tail call i32 @_Z3gooi(i32 %a) |
| %3 = add i32 %a, %b |
| %4 = add i32 %3, %1 |
| %5 = add i32 %4, %2 |
| %6 = tail call i32 @_Z3gooi(i32 %5) |
| ret i32 %6 |
| } |
| |
| declare i32 @_Z3gooi(i32); |
| |
| ; CHECK-LABEL: _foo: |
| ; CHECK: sub sp, sp, #16 |
| ; CHECK: bl _goo |
| ; CHECK: add sp, sp, #16 |
| |
| define i32 @foo(i32 %c) nounwind minsize { |
| entry: |
| %buffer = alloca [1 x i32], align 4 |
| %0 = bitcast [1 x i32]* %buffer to i8* |
| call void @llvm.lifetime.start.p0i8(i64 4, i8* nonnull %0) |
| %arraydecay = getelementptr inbounds [1 x i32], [1 x i32]* %buffer, i64 0, i64 0 |
| %call = call i32 @goo(i32* nonnull %arraydecay) |
| %sub = sub nsw i32 %c, %call |
| call void @llvm.lifetime.end.p0i8(i64 4, i8* nonnull %0) |
| |
| ret i32 %sub |
| } |
| |
| declare void @llvm.lifetime.start.p0i8(i64 immarg, i8* nocapture) |
| declare i32 @goo(i32*) |
| declare void @llvm.lifetime.end.p0i8(i64 immarg, i8* nocapture) |
| |
| ; CHECK-LABEL: _OUTLINED_FUNCTION_PROLOG_x30x29x19x20x21x22: |
| ; CHECK: stp x22, x21, [sp, #-32]! |
| ; CHECK-NEXT: stp x20, x19, [sp, #16] |
| ; CHECK-NEXT: ret |
| |
| ; CHECK-LABEL: _OUTLINED_FUNCTION_EPILOG_x30x29x19x20x21x22: |
| ; CHECK: mov x16, x30 |
| ; CHECK-NEXT: ldp x29, x30, [sp, #32] |
| ; CHECK-NEXT: ldp x20, x19, [sp, #16] |
| ; CHECK-NEXT: ldp x22, x21, [sp], #48 |
| ; CHECK-NEXT: ret x16 |
| |
| ; CHECK-LINUX-LABEL: OUTLINED_FUNCTION_PROLOG_x19x20x21x22x30x29: |
| ; CHECK-LINUX: stp x22, x21, [sp, #16] |
| ; CHECK-LINUX-NEXT: stp x20, x19, [sp, #32] |
| ; CHECK-LINUX-NEXT: ret |
| |
| ; CHECK-LINUX-LABEL: OUTLINED_FUNCTION_EPILOG_x19x20x21x22x30x29: |
| ; CHECK-LINUX: mov x16, x30 |
| ; CHECK-LINUX-NEXT: ldp x20, x19, [sp, #32] |
| ; CHECK-LINUX-NEXT: ldp x22, x21, [sp, #16] |
| ; CHECK-LINUX-NEXT: ldp x29, x30, [sp], #48 |
| ; CHECK-LINUX-NEXT: ret x16 |