| ; RUN: llc < %s -mtriple=thumb-linux-androideabi -verify-machineinstrs | FileCheck %s -check-prefix=Thumb-android |
| ; RUN: llc < %s -mtriple=thumb-linux-unknown-gnueabi -verify-machineinstrs | FileCheck %s -check-prefix=Thumb-linux |
| ; RUN: llc < %s -mtriple=thumb-linux-androideabi -filetype=obj |
| ; RUN: llc < %s -mtriple=thumb-linux-unknown-gnueabi -filetype=obj |
| |
| |
| ; Just to prevent the alloca from being optimized away |
| declare void @dummy_use(ptr, i32) |
| |
| define void @test_basic() #0 { |
| %mem = alloca i32, i32 10 |
| call void @dummy_use (ptr %mem, i32 10) |
| ret void |
| |
| ; Thumb-android-LABEL: test_basic: |
| |
| ; Thumb-android: push {r4, r5} |
| ; Thumb-android-NEXT: mov r5, sp |
| ; Thumb-android-NEXT: ldr r4, .LCPI0_0 |
| ; Thumb-android-NEXT: ldr r4, [r4] |
| ; Thumb-android-NEXT: cmp r4, r5 |
| ; Thumb-android-NEXT: bls .LBB0_2 |
| |
| ; Thumb-android: mov r4, #48 |
| ; Thumb-android-NEXT: mov r5, #0 |
| ; Thumb-android-NEXT: push {lr} |
| ; Thumb-android-NEXT: bl __morestack |
| ; Thumb-android-NEXT: pop {r4} |
| ; Thumb-android-NEXT: mov lr, r4 |
| ; Thumb-android-NEXT: pop {r4, r5} |
| ; Thumb-android-NEXT: bx lr |
| |
| ; Thumb-android: pop {r4, r5} |
| |
| ; Thumb-android: .p2align 2 |
| ; Thumb-android: .LCPI0_0: |
| ; Thumb-android-NEXT: .long __STACK_LIMIT |
| |
| ; Thumb-linux-LABEL: test_basic: |
| |
| ; Thumb-linux: push {r4, r5} |
| ; Thumb-linux-NEXT: mov r5, sp |
| ; Thumb-linux-NEXT: ldr r4, .LCPI0_0 |
| ; Thumb-linux-NEXT: ldr r4, [r4] |
| ; Thumb-linux-NEXT: cmp r4, r5 |
| ; Thumb-linux-NEXT: bls .LBB0_2 |
| |
| ; Thumb-linux: mov r4, #48 |
| ; Thumb-linux-NEXT: mov r5, #0 |
| ; Thumb-linux-NEXT: push {lr} |
| ; Thumb-linux-NEXT: bl __morestack |
| ; Thumb-linux-NEXT: pop {r4} |
| ; Thumb-linux-NEXT: mov lr, r4 |
| ; Thumb-linux-NEXT: pop {r4, r5} |
| ; Thumb-linux-NEXT: bx lr |
| |
| ; Thumb-linux: pop {r4, r5} |
| |
| } |
| |
| define i32 @test_nested(ptr nest %closure, i32 %other) #0 { |
| %addend = load i32 , ptr %closure |
| %result = add i32 %other, %addend |
| %mem = alloca i32, i32 10 |
| call void @dummy_use (ptr %mem, i32 10) |
| ret i32 %result |
| |
| ; Thumb-android-LABEL: test_nested: |
| |
| ; Thumb-android: push {r4, r5} |
| ; Thumb-android-NEXT: mov r5, sp |
| ; Thumb-android-NEXT: ldr r4, .LCPI1_0 |
| ; Thumb-android-NEXT: ldr r4, [r4] |
| ; Thumb-android-NEXT: cmp r4, r5 |
| ; Thumb-android-NEXT: bls .LBB1_2 |
| |
| ; Thumb-android: mov r4, #56 |
| ; Thumb-android-NEXT: mov r5, #0 |
| ; Thumb-android-NEXT: push {lr} |
| ; Thumb-android-NEXT: bl __morestack |
| ; Thumb-android-NEXT: pop {r4} |
| ; Thumb-android-NEXT: mov lr, r4 |
| ; Thumb-android-NEXT: pop {r4, r5} |
| ; Thumb-android-NEXT: bx lr |
| |
| ; Thumb-android: pop {r4, r5} |
| |
| ; Thumb-linux-LABEL: test_nested: |
| |
| ; Thumb-linux: push {r4, r5} |
| ; Thumb-linux-NEXT: mov r5, sp |
| ; Thumb-linux-NEXT: ldr r4, .LCPI1_0 |
| ; Thumb-linux-NEXT: ldr r4, [r4] |
| ; Thumb-linux-NEXT: cmp r4, r5 |
| ; Thumb-linux-NEXT: bls .LBB1_2 |
| |
| ; Thumb-linux: mov r4, #56 |
| ; Thumb-linux-NEXT: mov r5, #0 |
| ; Thumb-linux-NEXT: push {lr} |
| ; Thumb-linux-NEXT: bl __morestack |
| ; Thumb-linux-NEXT: pop {r4} |
| ; Thumb-linux-NEXT: mov lr, r4 |
| ; Thumb-linux-NEXT: pop {r4, r5} |
| ; Thumb-linux-NEXT: bx lr |
| |
| ; Thumb-linux: pop {r4, r5} |
| |
| } |
| |
| define void @test_large() #0 { |
| %mem = alloca i32, i32 10000 |
| call void @dummy_use (ptr %mem, i32 0) |
| ret void |
| |
| ; Thumb-android-LABEL: test_large: |
| |
| ; Thumb-android: push {r4, r5} |
| ; Thumb-android-NEXT: mov r5, sp |
| ; Thumb-android-NEXT: ldr r4, .LCPI2_2 |
| ; Thumb-android-NEXT: sub r5, r5, r4 |
| ; Thumb-android-NEXT: ldr r4, .LCPI2_3 |
| ; Thumb-android-NEXT: ldr r4, [r4] |
| ; Thumb-android-NEXT: cmp r4, r5 |
| ; Thumb-android-NEXT: bls .LBB2_2 |
| |
| ; Thumb-android: ldr r4, .LCPI2_2 |
| ; Thumb-android-NEXT: mov r5, #0 |
| ; Thumb-android-NEXT: push {lr} |
| ; Thumb-android-NEXT: bl __morestack |
| ; Thumb-android-NEXT: pop {r4} |
| ; Thumb-android-NEXT: mov lr, r4 |
| ; Thumb-android-NEXT: pop {r4, r5} |
| ; Thumb-android-NEXT: bx lr |
| |
| ; Thumb-android: pop {r4, r5} |
| |
| ; Thumb-android: .LCPI2_2: |
| ; Thumb-android-NEXT: .long 40192 |
| |
| ; Thumb-linux-LABEL: test_large: |
| |
| ; Thumb-linux: push {r4, r5} |
| ; Thumb-linux-NEXT: mov r5, sp |
| ; Thumb-linux-NEXT: ldr r4, .LCPI2_2 |
| ; Thumb-linux-NEXT: sub r5, r5, r4 |
| ; Thumb-linux-NEXT: ldr r4, .LCPI2_3 |
| ; Thumb-linux-NEXT: ldr r4, [r4] |
| ; Thumb-linux-NEXT: cmp r4, r5 |
| ; Thumb-linux-NEXT: bls .LBB2_2 |
| |
| ; Thumb-linux: ldr r4, .LCPI2_2 |
| ; Thumb-linux-NEXT: mov r5, #0 |
| ; Thumb-linux-NEXT: push {lr} |
| ; Thumb-linux-NEXT: bl __morestack |
| ; Thumb-linux-NEXT: pop {r4} |
| ; Thumb-linux-NEXT: mov lr, r4 |
| ; Thumb-linux-NEXT: pop {r4, r5} |
| ; Thumb-linux-NEXT: bx lr |
| |
| ; Thumb-linux: pop {r4, r5} |
| |
| } |
| |
| define fastcc void @test_fastcc() #0 { |
| %mem = alloca i32, i32 10 |
| call void @dummy_use (ptr %mem, i32 10) |
| ret void |
| |
| ; Thumb-android-LABEL: test_fastcc: |
| |
| ; Thumb-android: push {r4, r5} |
| ; Thumb-android-NEXT: mov r5, sp |
| ; Thumb-android-NEXT: ldr r4, .LCPI3_0 |
| ; Thumb-android-NEXT: ldr r4, [r4] |
| ; Thumb-android-NEXT: cmp r4, r5 |
| ; Thumb-android-NEXT: bls .LBB3_2 |
| |
| ; Thumb-android: mov r4, #48 |
| ; Thumb-android-NEXT: mov r5, #0 |
| ; Thumb-android-NEXT: push {lr} |
| ; Thumb-android-NEXT: bl __morestack |
| ; Thumb-android-NEXT: pop {r4} |
| ; Thumb-android-NEXT: mov lr, r4 |
| ; Thumb-android-NEXT: pop {r4, r5} |
| ; Thumb-android-NEXT: bx lr |
| |
| ; Thumb-android: pop {r4, r5} |
| |
| ; Thumb-linux-LABEL: test_fastcc: |
| |
| ; Thumb-linux: push {r4, r5} |
| ; Thumb-linux-NEXT: mov r5, sp |
| ; Thumb-linux-NEXT: ldr r4, .LCPI3_0 |
| ; Thumb-linux-NEXT: ldr r4, [r4] |
| ; Thumb-linux-NEXT: cmp r4, r5 |
| ; Thumb-linux-NEXT: bls .LBB3_2 |
| |
| ; Thumb-linux: mov r4, #48 |
| ; Thumb-linux-NEXT: mov r5, #0 |
| ; Thumb-linux-NEXT: push {lr} |
| ; Thumb-linux-NEXT: bl __morestack |
| ; Thumb-linux-NEXT: pop {r4} |
| ; Thumb-linux-NEXT: mov lr, r4 |
| ; Thumb-linux-NEXT: pop {r4, r5} |
| ; Thumb-linux-NEXT: bx lr |
| |
| ; Thumb-linux: pop {r4, r5} |
| |
| } |
| |
| define fastcc void @test_fastcc_large() #0 { |
| %mem = alloca i32, i32 10000 |
| call void @dummy_use (ptr %mem, i32 0) |
| ret void |
| |
| ; Thumb-android-LABEL: test_fastcc_large: |
| |
| ; Thumb-android: push {r4, r5} |
| ; Thumb-android-NEXT: mov r5, sp |
| ; Thumb-android-NEXT: ldr r4, .LCPI4_2 |
| ; Thumb-android-NEXT: sub r5, r5, r4 |
| ; Thumb-android-NEXT: ldr r4, .LCPI4_3 |
| ; Thumb-android-NEXT: ldr r4, [r4] |
| ; Thumb-android-NEXT: cmp r4, r5 |
| ; Thumb-android-NEXT: bls .LBB4_2 |
| |
| ; Thumb-android: ldr r4, .LCPI4_2 |
| ; Thumb-android-NEXT: mov r5, #0 |
| ; Thumb-android-NEXT: push {lr} |
| ; Thumb-android-NEXT: bl __morestack |
| ; Thumb-android-NEXT: pop {r4} |
| ; Thumb-android-NEXT: mov lr, r4 |
| ; Thumb-android-NEXT: pop {r4, r5} |
| ; Thumb-android-NEXT: bx lr |
| |
| ; Thumb-android: pop {r4, r5} |
| |
| ; Thumb-android: .LCPI4_2: |
| ; Thumb-android-NEXT: .long 40192 |
| |
| ; Thumb-linux-LABEL: test_fastcc_large: |
| |
| ; Thumb-linux: push {r4, r5} |
| ; Thumb-linux-NEXT: mov r5, sp |
| ; Thumb-linux-NEXT: ldr r4, .LCPI4_2 |
| ; Thumb-linux-NEXT: sub r5, r5, r4 |
| ; Thumb-linux-NEXT: ldr r4, .LCPI4_3 |
| ; Thumb-linux-NEXT: ldr r4, [r4] |
| ; Thumb-linux-NEXT: cmp r4, r5 |
| ; Thumb-linux-NEXT: bls .LBB4_2 |
| |
| ; Thumb-linux: ldr r4, .LCPI4_2 |
| ; Thumb-linux-NEXT: mov r5, #0 |
| ; Thumb-linux-NEXT: push {lr} |
| ; Thumb-linux-NEXT: bl __morestack |
| ; Thumb-linux-NEXT: pop {r4} |
| ; Thumb-linux-NEXT: mov lr, r4 |
| ; Thumb-linux-NEXT: pop {r4, r5} |
| ; Thumb-linux-NEXT: bx lr |
| |
| ; Thumb-linux: pop {r4, r5} |
| |
| ; Thumb-linux: .LCPI4_2: |
| ; Thumb-linux-NEXT: .long 40192 |
| |
| } |
| |
| define void @test_nostack() #0 { |
| ret void |
| |
| ; Thumb-android-LABEL: test_nostack: |
| ; Thumb-android-NOT: bl __morestack |
| |
| ; Thumb-linux-LABEL: test_nostack: |
| ; Thumb-linux-NOT: bl __morestack |
| } |
| |
| |
| declare void @panic() unnamed_addr |
| |
| ; We used to crash while compiling the following function. |
| ; Thumb-linux-LABEL: build_should_not_segfault: |
| ; Thumb-android-LABEL: build_should_not_segfault: |
| define void @build_should_not_segfault(i8 %x) unnamed_addr #0 { |
| start: |
| %_0 = icmp ult i8 %x, 16 |
| %or.cond = select i1 undef, i1 true, i1 %_0 |
| br i1 %or.cond, label %bb1, label %bb2 |
| |
| bb1: |
| ret void |
| |
| bb2: |
| call void @panic() |
| unreachable |
| } |
| |
| attributes #0 = { "split-stack" } |