| ; 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(i32*, i32) |
| |
| define void @test_basic() #0 { |
| %mem = alloca i32, i32 10 |
| call void @dummy_use (i32* %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: blo .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: blo .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(i32 * nest %closure, i32 %other) #0 { |
| %addend = load i32 , i32 * %closure |
| %result = add i32 %other, %addend |
| %mem = alloca i32, i32 10 |
| call void @dummy_use (i32* %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: blo .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: blo .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 (i32* %mem, i32 0) |
| ret void |
| |
| ; Thumb-android-LABEL: test_large: |
| |
| ; Thumb-android: push {r4, r5} |
| ; Thumb-android-NEXT: mov r5, sp |
| ; Thumb-android-NEXT: sub r5, #40192 |
| ; Thumb-android-NEXT: ldr r4, .LCPI2_2 |
| ; Thumb-android-NEXT: ldr r4, [r4] |
| ; Thumb-android-NEXT: cmp r4, r5 |
| ; Thumb-android-NEXT: blo .LBB2_2 |
| |
| ; Thumb-android: mov r4, #40192 |
| ; 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_large: |
| |
| ; Thumb-linux: push {r4, r5} |
| ; Thumb-linux-NEXT: mov r5, sp |
| ; Thumb-linux-NEXT: sub r5, #40192 |
| ; Thumb-linux-NEXT: ldr r4, .LCPI2_2 |
| ; Thumb-linux-NEXT: ldr r4, [r4] |
| ; Thumb-linux-NEXT: cmp r4, r5 |
| ; Thumb-linux-NEXT: blo .LBB2_2 |
| |
| ; Thumb-linux: mov r4, #40192 |
| ; 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 (i32* %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: blo .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: blo .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 (i32* %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: sub r5, #40192 |
| ; Thumb-android-NEXT: ldr r4, .LCPI4_2 |
| ; Thumb-android-NEXT: ldr r4, [r4] |
| ; Thumb-android-NEXT: cmp r4, r5 |
| ; Thumb-android-NEXT: blo .LBB4_2 |
| |
| ; Thumb-android: mov r4, #40192 |
| ; 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_large: |
| |
| ; Thumb-linux: push {r4, r5} |
| ; Thumb-linux-NEXT: mov r5, sp |
| ; Thumb-linux-NEXT: sub r5, #40192 |
| ; Thumb-linux-NEXT: ldr r4, .LCPI4_2 |
| ; Thumb-linux-NEXT: ldr r4, [r4] |
| ; Thumb-linux-NEXT: cmp r4, r5 |
| ; Thumb-linux-NEXT: blo .LBB4_2 |
| |
| ; Thumb-linux: mov r4, #40192 |
| ; 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_nostack() #0 { |
| ret void |
| |
| ; Thumb-android-LABEL: test_nostack: |
| ; Thumb-android-NOT: bl __morestack |
| |
| ; Thumb-linux-LABEL: test_nostack: |
| ; Thumb-linux-NOT: bl __morestack |
| } |
| |
| attributes #0 = { "split-stack" } |
