| ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s |
| ; |
| ; Note: Print verbose stackmaps using -debug-only=stackmaps. |
| |
| ; CHECK: .section .llvm_stackmaps |
| ; CHECK-NEXT: __LLVM_StackMaps: |
| ; Header |
| ; CHECK-NEXT: .byte 3 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .short 0 |
| ; Num Functions |
| ; CHECK-NEXT: .long 15 |
| ; Num LargeConstants |
| ; CHECK-NEXT: .long 3 |
| ; Num Callsites |
| ; CHECK-NEXT: .long 19 |
| |
| ; Functions and stack size |
| ; CHECK-NEXT: .quad constantargs |
| ; CHECK-NEXT: .quad 160 |
| ; CHECK-NEXT: .quad 1 |
| ; CHECK-NEXT: .quad osrinline |
| ; CHECK-NEXT: .quad 160 |
| ; CHECK-NEXT: .quad 1 |
| ; CHECK-NEXT: .quad osrcold |
| ; CHECK-NEXT: .quad 160 |
| ; CHECK-NEXT: .quad 1 |
| ; CHECK-NEXT: .quad propertyRead |
| ; CHECK-NEXT: .quad 160 |
| ; CHECK-NEXT: .quad 1 |
| ; CHECK-NEXT: .quad propertyWrite |
| ; CHECK-NEXT: .quad 160 |
| ; CHECK-NEXT: .quad 1 |
| ; CHECK-NEXT: .quad jsVoidCall |
| ; CHECK-NEXT: .quad 160 |
| ; CHECK-NEXT: .quad 1 |
| ; CHECK-NEXT: .quad jsIntCall |
| ; CHECK-NEXT: .quad 160 |
| ; CHECK-NEXT: .quad 1 |
| ; CHECK-NEXT: .quad spilledValue |
| ; CHECK-NEXT: .quad 240 |
| ; CHECK-NEXT: .quad 1 |
| ; CHECK-NEXT: .quad spilledStackMapValue |
| ; CHECK-NEXT: .quad 200 |
| ; CHECK-NEXT: .quad 1 |
| ; CHECK-NEXT: .quad spillSubReg |
| ; CHECK-NEXT: .quad 168 |
| ; CHECK-NEXT: .quad 1 |
| ; CHECK-NEXT: .quad liveConstant |
| ; CHECK-NEXT: .quad 160 |
| ; CHECK-NEXT: .quad 1 |
| ; CHECK-NEXT: .quad directFrameIdx |
| ; CHECK-NEXT: .quad 200 |
| ; CHECK-NEXT: .quad 2 |
| ; CHECK-NEXT: .quad longid |
| ; CHECK-NEXT: .quad 160 |
| ; CHECK-NEXT: .quad 4 |
| ; CHECK-NEXT: .quad clobberScratch |
| ; CHECK-NEXT: .quad 168 |
| ; CHECK-NEXT: .quad 1 |
| ; CHECK-NEXT: .quad needsStackRealignment |
| ; CHECK-NEXT: .quad -1 |
| ; CHECK-NEXT: .quad 1 |
| |
| ; Large Constants |
| ; CHECK-NEXT: .quad 2147483648 |
| ; CHECK-NEXT: .quad 4294967295 |
| ; CHECK-NEXT: .quad 4294967296 |
| |
| ; Callsites |
| ; Constant arguments |
| ; |
| ; CHECK-NEXT: .quad 1 |
| ; CHECK-NEXT: .long .L{{.*}}-constantargs |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .short 12 |
| ; SmallConstant |
| ; CHECK-NEXT: .byte 4 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .short 8 |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .long -1 |
| ; SmallConstant |
| ; CHECK-NEXT: .byte 4 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .short 8 |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .long -1 |
| ; SmallConstant |
| ; CHECK-NEXT: .byte 4 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .short 8 |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .long 65536 |
| ; SmallConstant |
| ; CHECK-NEXT: .byte 4 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .short 8 |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .long 2000000000 |
| ; SmallConstant |
| ; CHECK-NEXT: .byte 4 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .short 8 |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .long 2147483647 |
| ; SmallConstant |
| ; CHECK-NEXT: .byte 4 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .short 8 |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .long -1 |
| ; SmallConstant |
| ; CHECK-NEXT: .byte 4 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .short 8 |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .long -1 |
| ; SmallConstant |
| ; CHECK-NEXT: .byte 4 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .short 8 |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .long 0 |
| ; LargeConstant at index 0 |
| ; CHECK-NEXT: .byte 5 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .short 8 |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .long 0 |
| ; LargeConstant at index 1 |
| ; CHECK-NEXT: .byte 5 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .short 8 |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .long 1 |
| ; LargeConstant at index 2 |
| ; CHECK-NEXT: .byte 5 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .short 8 |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .long 2 |
| ; SmallConstant |
| ; CHECK-NEXT: .byte 4 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .short 8 |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .long -1 |
| |
| define void @constantargs() { |
| entry: |
| %0 = inttoptr i64 12345 to i8* |
| tail call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 1, i32 14, i8* %0, i32 0, i16 65535, i16 -1, i32 65536, i32 2000000000, i32 2147483647, i32 -1, i32 4294967295, i32 4294967296, i64 2147483648, i64 4294967295, i64 4294967296, i64 -1) |
| ret void |
| } |
| |
| ; Inline OSR Exit |
| ; |
| ; CHECK: .long .L{{.*}}-osrinline |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .short 2 |
| ; CHECK-NEXT: .byte 1 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .short 8 |
| ; CHECK-NEXT: .short {{[0-9]+}} |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .long 0 |
| ; CHECK-NEXT: .byte 1 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .short 8 |
| ; CHECK-NEXT: .short {{[0-9]+}} |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .long 0 |
| define void @osrinline(i64 %a, i64 %b) { |
| entry: |
| ; Runtime void->void call. |
| call void inttoptr (i64 -559038737 to void ()*)() |
| ; Followed by inline OSR patchpoint with 12-byte shadow and 2 live vars. |
| call void (i64, i32, ...) @llvm.experimental.stackmap(i64 3, i32 12, i64 %a, i64 %b) |
| ret void |
| } |
| |
| ; Cold OSR Exit |
| ; |
| ; 2 live variables in register. |
| ; |
| ; CHECK: .long .L{{.*}}-osrcold |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .short 2 |
| ; CHECK-NEXT: .byte 1 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .short 8 |
| ; CHECK-NEXT: .short {{[0-9]+}} |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .long 0 |
| ; CHECK-NEXT: .byte 1 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .short 8 |
| ; CHECK-NEXT: .short {{[0-9]+}} |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .long 0 |
| define void @osrcold(i64 %a, i64 %b) { |
| entry: |
| %test = icmp slt i64 %a, %b |
| br i1 %test, label %ret, label %cold |
| cold: |
| ; OSR patchpoint with 12-byte nop-slide and 2 live vars. |
| %thunk = inttoptr i64 -559038737 to i8* |
| call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 4, i32 14, i8* %thunk, i32 0, i64 %a, i64 %b) |
| unreachable |
| ret: |
| ret void |
| } |
| |
| ; Property Read |
| ; CHECK: .long .L{{.*}}-propertyRead |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .short 2 |
| ; CHECK-NEXT: .byte 1 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .short 8 |
| ; CHECK-NEXT: .short {{[0-9]+}} |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .long 0 |
| ; CHECK-NEXT: .byte 1 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .short 8 |
| ; CHECK-NEXT: .short {{[0-9]+}} |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .long 0 |
| define i64 @propertyRead(i64* %obj) { |
| entry: |
| %resolveRead = inttoptr i64 -559038737 to i8* |
| %result = call anyregcc i64 (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.i64(i64 5, i32 14, i8* %resolveRead, i32 1, i64* %obj) |
| %add = add i64 %result, 3 |
| ret i64 %add |
| } |
| |
| ; Property Write |
| ; CHECK: .long .L{{.*}}-propertyWrite |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .short 2 |
| ; CHECK-NEXT: .byte 1 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .short 8 |
| ; CHECK-NEXT: .short {{[0-9]+}} |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .long 0 |
| ; CHECK-NEXT: .byte 1 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .short 8 |
| ; CHECK-NEXT: .short {{[0-9]+}} |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .long 0 |
| define void @propertyWrite(i64 %dummy1, i64* %obj, i64 %dummy2, i64 %a) { |
| entry: |
| %resolveWrite = inttoptr i64 -559038737 to i8* |
| call anyregcc void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 6, i32 14, i8* %resolveWrite, i32 2, i64* %obj, i64 %a) |
| ret void |
| } |
| |
| ; Void JS Call |
| ; |
| ; 2 live variables in registers. |
| ; |
| ; CHECK: .long .L{{.*}}-jsVoidCall |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .short 2 |
| ; CHECK-NEXT: .byte 1 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .short 8 |
| ; CHECK-NEXT: .short {{[0-9]+}} |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .long 0 |
| ; CHECK-NEXT: .byte 1 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .short 8 |
| ; CHECK-NEXT: .short {{[0-9]+}} |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .long 0 |
| define void @jsVoidCall(i64 %dummy1, i64* %obj, i64 %arg, i64 %l1, i64 %l2) { |
| entry: |
| %resolveCall = inttoptr i64 -559038737 to i8* |
| call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 7, i32 14, i8* %resolveCall, i32 2, i64* %obj, i64 %arg, i64 %l1, i64 %l2) |
| ret void |
| } |
| |
| ; i64 JS Call |
| ; |
| ; 2 live variables in registers. |
| ; |
| ; CHECK: .long .L{{.*}}-jsIntCall |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .short 2 |
| ; CHECK-NEXT: .byte 1 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .short 8 |
| ; CHECK-NEXT: .short {{[0-9]+}} |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .long 0 |
| ; CHECK-NEXT: .byte 1 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .short 8 |
| ; CHECK-NEXT: .short {{[0-9]+}} |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .long 0 |
| define i64 @jsIntCall(i64 %dummy1, i64* %obj, i64 %arg, i64 %l1, i64 %l2) { |
| entry: |
| %resolveCall = inttoptr i64 -559038737 to i8* |
| %result = call i64 (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.i64(i64 8, i32 14, i8* %resolveCall, i32 2, i64* %obj, i64 %arg, i64 %l1, i64 %l2) |
| %add = add i64 %result, 3 |
| ret i64 %add |
| } |
| |
| ; Spilled stack map values. |
| ; |
| ; Verify 17 stack map entries. |
| ; |
| ; CHECK: .long .L{{.*}}-spilledValue |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .short 17 |
| ; |
| ; Check that at least one is a spilled entry from the parameter area. |
| ; Location: Indirect r15 + XX |
| ; CHECK: .byte 3 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .short 8 |
| ; CHECK-NEXT: .short 15 |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .long |
| define void @spilledValue(i64 %arg0, i64 %arg1, i64 %arg2, i64 %arg3, i64 %arg4, i64 %l0, i64 %l1, i64 %l2, i64 %l3, i64 %l4, i64 %l5, i64 %l6, i64 %l7, i64 %l8, i64 %l9, i64 %l10, i64 %l11, i64 %l12, i64 %l13, i64 %l14, i64 %l15, i64 %l16) { |
| entry: |
| call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 11, i32 14, i8* null, i32 5, i64 %arg0, i64 %arg1, i64 %arg2, i64 %arg3, i64 %arg4, i64 %l0, i64 %l1, i64 %l2, i64 %l3, i64 %l4, i64 %l5, i64 %l6, i64 %l7, i64 %l8, i64 %l9, i64 %l10, i64 %l11, i64 %l12, i64 %l13, i64 %l14, i64 %l15, i64 %l16) |
| ret void |
| } |
| |
| ; Spilled stack map values. |
| ; |
| ; Verify 17 stack map entries. |
| ; |
| ; CHECK: .long .L{{.*}}-spilledStackMapValue |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .short 17 |
| ; |
| ; Check that at least one is a spilled entry from the parameter area. |
| ; Location: Indirect r15 + XX |
| ; CHECK: .byte 3 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .short 8 |
| ; CHECK-NEXT: .short 15 |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .long |
| define void @spilledStackMapValue(i64 %l0, i64 %l1, i64 %l2, i64 %l3, i64 %l4, i64 %l5, i64 %l6, i64 %l7, i64 %l8, i64 %l9, i64 %l10, i64 %l11, i64 %l12, i64 %l13, i64 %l14, i64 %l15, i64 %l16) { |
| entry: |
| call void (i64, i32, ...) @llvm.experimental.stackmap(i64 12, i32 16, i64 %l0, i64 %l1, i64 %l2, i64 %l3, i64 %l4, i64 %l5, i64 %l6, i64 %l7, i64 %l8, i64 %l9, i64 %l10, i64 %l11, i64 %l12, i64 %l13, i64 %l14, i64 %l15, i64 %l16) |
| ret void |
| } |
| |
| ; Spill a subregister stackmap operand. |
| ; |
| ; CHECK: .long .L{{.*}}-spillSubReg |
| ; CHECK-NEXT: .short 0 |
| ; 4 locations |
| ; CHECK-NEXT: .short 1 |
| ; |
| ; Check that the subregister operand is a 4-byte spill. |
| ; Location: Indirect, 4-byte, %r15 + 164 |
| ; CHECK: .byte 3 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .short 4 |
| ; CHECK-NEXT: .short 15 |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .long 164 |
| define void @spillSubReg(i64 %arg) #0 { |
| bb: |
| br i1 undef, label %bb1, label %bb2 |
| |
| bb1: |
| unreachable |
| |
| bb2: |
| %tmp = load i64, i64* inttoptr (i64 140685446136880 to i64*) |
| br i1 undef, label %bb16, label %bb17 |
| |
| bb16: |
| unreachable |
| |
| bb17: |
| %tmp32 = trunc i64 %tmp to i32 |
| br i1 undef, label %bb60, label %bb61 |
| |
| bb60: |
| tail call void asm sideeffect "nopr %r0", "~{r0},~{r1},~{r2},~{r3},~{r4},~{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14}"() nounwind |
| tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 13, i32 6, i32 %tmp32) |
| unreachable |
| |
| bb61: |
| unreachable |
| } |
| |
| ; Map a constant value. |
| ; |
| ; CHECK: .long .L{{.*}}-liveConstant |
| ; CHECK-NEXT: .short 0 |
| ; 1 location |
| ; CHECK-NEXT: .short 1 |
| ; Loc 0: SmallConstant |
| ; CHECK-NEXT: .byte 4 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .short 8 |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .long 33 |
| |
| define void @liveConstant() { |
| tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 15, i32 6, i32 33) |
| ret void |
| } |
| |
| ; Directly map an alloca's address. |
| ; |
| ; Callsite 16 |
| ; CHECK: .long .L{{.*}}-directFrameIdx |
| ; CHECK-NEXT: .short 0 |
| ; 1 location |
| ; CHECK-NEXT: .short 1 |
| ; Loc 0: Direct %r15 + ofs |
| ; CHECK-NEXT: .byte 2 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .short 8 |
| ; CHECK-NEXT: .short 15 |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .long |
| |
| ; Callsite 17 |
| ; CHECK: .long .L{{.*}}-directFrameIdx |
| ; CHECK-NEXT: .short 0 |
| ; 2 locations |
| ; CHECK-NEXT: .short 2 |
| ; Loc 0: Direct %r15 + ofs |
| ; CHECK-NEXT: .byte 2 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .short 8 |
| ; CHECK-NEXT: .short 15 |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .long |
| ; Loc 1: Direct %r15 + ofs |
| ; CHECK-NEXT: .byte 2 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .short 8 |
| ; CHECK-NEXT: .short 15 |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .long |
| define void @directFrameIdx() { |
| entry: |
| %metadata1 = alloca i64, i32 3, align 8 |
| store i64 11, i64* %metadata1 |
| store i64 12, i64* %metadata1 |
| store i64 13, i64* %metadata1 |
| call void (i64, i32, ...) @llvm.experimental.stackmap(i64 16, i32 0, i64* %metadata1) |
| %metadata2 = alloca i8, i32 4, align 8 |
| %metadata3 = alloca i16, i32 4, align 8 |
| call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 17, i32 6, i8* null, i32 0, i8* %metadata2, i16* %metadata3) |
| ret void |
| } |
| |
| ; Test a 64-bit ID. |
| ; |
| ; CHECK: .quad 4294967295 |
| ; CHECK: .long .L{{.*}}-longid |
| ; CHECK: .quad 4294967296 |
| ; CHECK: .long .L{{.*}}-longid |
| ; CHECK: .quad 9223372036854775807 |
| ; CHECK: .long .L{{.*}}-longid |
| ; CHECK: .quad -1 |
| ; CHECK: .long .L{{.*}}-longid |
| define void @longid() { |
| entry: |
| tail call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 4294967295, i32 0, i8* null, i32 0) |
| tail call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 4294967296, i32 0, i8* null, i32 0) |
| tail call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 9223372036854775807, i32 0, i8* null, i32 0) |
| tail call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 -1, i32 0, i8* null, i32 0) |
| ret void |
| } |
| |
| ; Map a value when %r0 and %r1 are the only free registers. |
| ; The scratch registers should not be used for a live stackmap value. |
| ; |
| ; CHECK: .long .L{{.*}}-clobberScratch |
| ; CHECK-NEXT: .short 0 |
| ; 1 location |
| ; CHECK-NEXT: .short 1 |
| ; Loc 0: Indirect %r15 + offset |
| ; CHECK-NEXT: .byte 3 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .short 4 |
| ; CHECK-NEXT: .short 15 |
| ; CHECK-NEXT: .short 0 |
| ; CHECK-NEXT: .long 164 |
| define void @clobberScratch(i32 %a) { |
| tail call void asm sideeffect "nopr %r0", "~{r2},~{r3},~{r4},~{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14}"() nounwind |
| tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 16, i32 8, i32 %a) |
| ret void |
| } |
| |
| ; A stack frame which needs to be realigned at runtime (to meet alignment |
| ; criteria for values on the stack) does not have a fixed frame size. |
| ; CHECK: .long .L{{.*}}-needsStackRealignment |
| ; CHECK-NEXT: .short 0 |
| ; 0 locations |
| ; CHECK-NEXT: .short 0 |
| define void @needsStackRealignment() { |
| %val = alloca i64, i32 3, align 128 |
| tail call void (...) @escape_values(i64* %val) |
| ; Note: Adding any non-constant to the stackmap would fail because we |
| ; expected to be able to address off the frame pointer. In a realigned |
| ; frame, we must use the stack pointer instead. This is a separate bug. |
| tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 0, i32 0) |
| ret void |
| } |
| declare void @escape_values(...) |
| |
| declare void @llvm.experimental.stackmap(i64, i32, ...) |
| declare void @llvm.experimental.patchpoint.void(i64, i32, i8*, i32, ...) |
| declare i64 @llvm.experimental.patchpoint.i64(i64, i32, i8*, i32, ...) |
