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llvm-mirror/test/CodeGen/Thumb2/segmented-stacks.ll
Matthias Braun d2e6077460 ARM: Do not use llc -march in tests.
`llc -march` is problematic because it only switches the target
architecture, but leaves the operating system unchanged. This
occasionally leads to indeterministic tests because the OS from
LLVM_DEFAULT_TARGET_TRIPLE is used.

However we can simply always use `llc -mtriple` instead. This changes
all the tests to do this to avoid people using -march when they copy and
paste parts of tests.

See also the discussion in https://reviews.llvm.org/D35287

llvm-svn: 309755
2017-08-01 22:20:49 +00:00

35 lines
1.1 KiB
LLVM

; RUN: llc < %s -mtriple=thumb-linux-androideabi -mcpu=arm1156t2-s -mattr=+thumb2 -verify-machineinstrs | FileCheck %s -check-prefix=Thumb-android
; RUN: llc < %s -mtriple=thumb-linux-androideabi -mcpu=arm1156t2-s -mattr=+thumb2 -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: test_basic:
; Thumb-android: push {r4, r5}
; Thumb-android-NEXT: mrc p15, #0, r4, c13, c0, #3
; Thumb-android-NEXT: mov r5, sp
; Thumb-android-NEXT: ldr r4, [r4, #252]
; 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: ldr lr, [sp], #4
; Thumb-android-NEXT: pop {r4, r5}
; Thumb-android-NEXT: bx lr
; Thumb-android: pop {r4, r5}
}
attributes #0 = { "split-stack" }