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Diffstat (limited to 'test/CodeGen/Thumb/segmented-stacks.ll')
-rw-r--r-- | test/CodeGen/Thumb/segmented-stacks.ll | 247 |
1 files changed, 247 insertions, 0 deletions
diff --git a/test/CodeGen/Thumb/segmented-stacks.ll b/test/CodeGen/Thumb/segmented-stacks.ll new file mode 100644 index 0000000..5649b00 --- /dev/null +++ b/test/CodeGen/Thumb/segmented-stacks.ll @@ -0,0 +1,247 @@ +; RUN: llc < %s -mtriple=thumb-linux-androideabi -segmented-stacks -verify-machineinstrs | FileCheck %s -check-prefix=Thumb-android +; RUN: llc < %s -mtriple=thumb-linux-unknown-gnueabi -segmented-stacks -verify-machineinstrs | FileCheck %s -check-prefix=Thumb-linux +; RUN: llc < %s -mtriple=thumb-linux-androideabi -segmented-stacks -filetype=obj +; RUN: llc < %s -mtriple=thumb-linux-unknown-gnueabi -segmented-stacks -filetype=obj + + +; Just to prevent the alloca from being optimized away +declare void @dummy_use(i32*, i32) + +define void @test_basic() { + %mem = alloca i32, i32 10 + call void @dummy_use (i32* %mem, i32 10) + ret void + +; Thumb-android: 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-linux: 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) { + %addend = load i32 * %closure + %result = add i32 %other, %addend + ret i32 %result + +; Thumb-android: 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, #0 +; 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: 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, #0 +; 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() { + %mem = alloca i32, i32 10000 + call void @dummy_use (i32* %mem, i32 0) + ret void + +; Thumb-android: 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: 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() { + %mem = alloca i32, i32 10 + call void @dummy_use (i32* %mem, i32 10) + ret void + +; Thumb-android: 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: 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() { + %mem = alloca i32, i32 10000 + call void @dummy_use (i32* %mem, i32 0) + ret void + +; Thumb-android: 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: 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} + +} |