| # RUN: llc -mtriple=aarch64-none-linux-gnu -run-pass machine-outliner -verify-machineinstrs -enable-machine-outliner %s -o - | FileCheck %s |
| --- | |
| ; Function Attrs: minsize |
| declare void @foo(i32, i32, i32, i32) #0 |
| |
| ; Function Attrs: nounwind |
| define void @xray0(i1 %a) #1 { |
| entry: |
| br i1 %a, label %if.then, label %if.end |
| |
| if.then: ; preds = %entry |
| call void @foo(i32 1, i32 2, i32 3, i32 4) |
| br label %if.end |
| |
| if.end: ; preds = %if.then, %entry |
| call void @foo(i32 5, i32 6, i32 7, i32 8) |
| ret void |
| } |
| |
| ; Function Attrs: nounwind |
| define void @xray1(i1 %a) #1 { |
| entry: |
| br i1 %a, label %if.then, label %if.end |
| |
| if.then: ; preds = %entry |
| call void @foo(i32 1, i32 2, i32 3, i32 4) |
| br label %if.end |
| |
| if.end: ; preds = %if.then, %entry |
| call void @foo(i32 5, i32 6, i32 7, i32 8) |
| ret void |
| } |
| |
| attributes #0 = { minsize } |
| attributes #1 = { nounwind "function-instrument"="xray-always" } |
| |
| ... |
| --- |
| name: xray0 |
| tracksRegLiveness: true |
| liveins: |
| - { reg: '$w0', virtual-reg: '' } |
| stack: |
| - { id: 0, name: '', type: spill-slot, offset: -16, size: 8, alignment: 16, |
| stack-id: default, callee-saved-register: '$lr', callee-saved-restored: true, |
| debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } |
| machineFunctionInfo: |
| hasRedZone: false |
| body: | |
| ; CHECK-LABEL: name: xray0 |
| ; CHECK: bb.0.entry: |
| ; CHECK: PATCHABLE_FUNCTION_ENTER |
| ; CHECK: bb.1.if.then: |
| ; CHECK: BL @[[OUTLINED_FUNCTION:OUTLINED_FUNCTION_[0-9]]] |
| ; CHECK: bb.2.if.end: |
| ; CHECK-NEXT: $w0 = MOVZWi 5, 0 |
| ; CHECK-NEXT: $w1 = MOVZWi 6, 0 |
| ; CHECK-NEXT: $w2 = MOVZWi 7, 0 |
| ; CHECK-NEXT: $w3 = MOVZWi 8, 0 |
| ; CHECK-NEXT: BL @foo, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $w0, implicit killed $w1, implicit killed $w2, implicit killed $w3, implicit-def $sp |
| ; CHECK: $w0 = MOVZWi 5, 0 |
| ; CHECK-NEXT: $w1 = MOVZWi 6, 0 |
| ; CHECK-NEXT: PATCHABLE_FUNCTION_EXIT |
| ; CHECK-NEXT: RET undef $lr |
| |
| bb.0.entry: |
| successors: %bb.1(0x40000000), %bb.2(0x40000000) |
| liveins: $w0, $lr |
| |
| PATCHABLE_FUNCTION_ENTER |
| early-clobber $sp = frame-setup STRXpre killed $lr, $sp, -16 :: (store (s64) into %stack.0) |
| TBZW killed renamable $w0, 0, %bb.2 |
| |
| bb.1.if.then: |
| successors: %bb.2(0x80000000) |
| |
| $w0 = MOVZWi 1, 0 |
| $w1 = MOVZWi 2, 0 |
| $w2 = MOVZWi 3, 0 |
| $w3 = MOVZWi 4, 0 |
| BL @foo, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $w0, implicit killed $w1, implicit killed $w2, implicit killed $w3, implicit-def $sp |
| |
| bb.2.if.end: |
| $w0 = MOVZWi 5, 0 |
| $w1 = MOVZWi 6, 0 |
| $w2 = MOVZWi 7, 0 |
| $w3 = MOVZWi 8, 0 |
| BL @foo, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $w0, implicit killed $w1, implicit killed $w2, implicit killed $w3, implicit-def $sp |
| early-clobber $sp, $lr = frame-destroy LDRXpost $sp, 16 :: (load (s64) from %stack.0) |
| $w0 = MOVZWi 5, 0 |
| $w1 = MOVZWi 6, 0 |
| PATCHABLE_FUNCTION_EXIT |
| RET undef $lr |
| |
| ... |
| --- |
| name: xray1 |
| tracksRegLiveness: true |
| liveins: |
| - { reg: '$w0', virtual-reg: '' } |
| stack: |
| - { id: 0, name: '', type: spill-slot, offset: -16, size: 8, alignment: 16, |
| stack-id: default, callee-saved-register: '$lr', callee-saved-restored: true, |
| debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } |
| machineFunctionInfo: |
| hasRedZone: false |
| body: | |
| ; CHECK-LABEL: name: xray1 |
| ; CHECK: bb.0.entry: |
| ; CHECK: PATCHABLE_FUNCTION_ENTER |
| ; CHECK: bb.1.if.then: |
| ; CHECK: BL @[[OUTLINED_FUNCTION]] |
| ; CHECK: bb.2.if.end: |
| ; CHECK-NEXT: $w0 = MOVZWi 5, 0 |
| ; CHECK-NEXT: $w1 = MOVZWi 6, 0 |
| ; CHECK-NEXT: $w2 = MOVZWi 7, 0 |
| ; CHECK-NEXT: $w3 = MOVZWi 8, 0 |
| ; CHECK-NEXT: BL @foo, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $w0, implicit killed $w1, implicit killed $w2, implicit killed $w3, implicit-def $sp |
| ; CHECK: $w0 = MOVZWi 5, 0 |
| ; CHECK-NEXT: $w1 = MOVZWi 6, 0 |
| ; CHECK-NEXT: PATCHABLE_FUNCTION_EXIT |
| ; CHECK-NEXT: RET undef $lr |
| |
| bb.0.entry: |
| successors: %bb.1(0x40000000), %bb.2(0x40000000) |
| liveins: $w0, $lr |
| |
| PATCHABLE_FUNCTION_ENTER |
| early-clobber $sp = frame-setup STRXpre killed $lr, $sp, -16 :: (store (s64) into %stack.0) |
| TBZW killed renamable $w0, 0, %bb.2 |
| |
| bb.1.if.then: |
| successors: %bb.2(0x80000000) |
| |
| $w0 = MOVZWi 1, 0 |
| $w1 = MOVZWi 2, 0 |
| $w2 = MOVZWi 3, 0 |
| $w3 = MOVZWi 4, 0 |
| BL @foo, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $w0, implicit killed $w1, implicit killed $w2, implicit killed $w3, implicit-def $sp |
| |
| bb.2.if.end: |
| $w0 = MOVZWi 5, 0 |
| $w1 = MOVZWi 6, 0 |
| $w2 = MOVZWi 7, 0 |
| $w3 = MOVZWi 8, 0 |
| BL @foo, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $w0, implicit killed $w1, implicit killed $w2, implicit killed $w3, implicit-def $sp |
| early-clobber $sp, $lr = frame-destroy LDRXpost $sp, 16 :: (load (s64) from %stack.0) |
| $w0 = MOVZWi 5, 0 |
| $w1 = MOVZWi 6, 0 |
| PATCHABLE_FUNCTION_EXIT |
| RET undef $lr |
| |
| ; CHECK: name: [[OUTLINED_FUNCTION]] |
| ; CHECK: bb.0: |
| ; CHECK: $w0 = MOVZWi 1, 0 |
| ; CHECK-NEXT: $w1 = MOVZWi 2, 0 |
| ; CHECK-NEXT: $w2 = MOVZWi 3, 0 |
| ; CHECK-NEXT: $w3 = MOVZWi 4, 0 |
| ; CHECK-NEXT: TCRETURNdi @foo, 0, implicit $sp |
| |
| ... |
| |
