65 lines
1.9 KiB
LLVM
65 lines
1.9 KiB
LLVM
; RUN: llc < %s -mtriple=arm-linux-androideabi -verify-machineinstrs | FileCheck %s -check-prefix=ARM-android
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; RUN: llc < %s -mtriple=arm-linux-unknown-gnueabi -verify-machineinstrs | FileCheck %s -check-prefix=ARM-linux
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; RUN: llc < %s -mtriple=arm-linux-androideabi -filetype=obj
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; RUN: llc < %s -mtriple=arm-linux-unknown-gnueabi -filetype=obj
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; Just to prevent the alloca from being optimized away
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declare void @dummy_use(i32*, i32)
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define i32 @test_basic(i32 %l) #0 {
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%mem = alloca i32, i32 %l
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call void @dummy_use (i32* %mem, i32 %l)
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%terminate = icmp eq i32 %l, 0
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br i1 %terminate, label %true, label %false
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true:
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ret i32 0
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false:
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%newlen = sub i32 %l, 1
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%retvalue = call i32 @test_basic(i32 %newlen)
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ret i32 %retvalue
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; ARM-linux: test_basic:
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; ARM-linux: push {r4, r5}
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; ARM-linux-NEXT: mrc p15, #0, r4, c13, c0, #3
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; ARM-linux-NEXT: mov r5, sp
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; ARM-linux-NEXT: ldr r4, [r4, #4]
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; ARM-linux-NEXT: cmp r4, r5
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; ARM-linux-NEXT: blo .LBB0_2
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; ARM-linux: mov r4, #16
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; ARM-linux-NEXT: mov r5, #0
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; ARM-linux-NEXT: stmdb sp!, {lr}
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; ARM-linux-NEXT: bl __morestack
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; ARM-linux-NEXT: ldm sp!, {lr}
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; ARM-linux-NEXT: pop {r4, r5}
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; ARM-linux-NEXT: bx lr
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; ARM-linux: pop {r4, r5}
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; ARM-android: test_basic:
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; ARM-android: push {r4, r5}
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; ARM-android-NEXT: mrc p15, #0, r4, c13, c0, #3
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; ARM-android-NEXT: mov r5, sp
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; ARM-android-NEXT: ldr r4, [r4, #252]
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; ARM-android-NEXT: cmp r4, r5
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; ARM-android-NEXT: blo .LBB0_2
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; ARM-android: mov r4, #16
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; ARM-android-NEXT: mov r5, #0
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; ARM-android-NEXT: stmdb sp!, {lr}
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; ARM-android-NEXT: bl __morestack
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; ARM-android-NEXT: ldm sp!, {lr}
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; ARM-android-NEXT: pop {r4, r5}
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; ARM-android-NEXT: bx lr
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; ARM-android: pop {r4, r5}
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}
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attributes #0 = { "split-stack" }
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