source: icGREP/icgrep-devel/llvm-3.8.0.src/test/CodeGen/ARM/Windows/alloca.ll @ 5027

Last change on this file since 5027 was 5027, checked in by cameron, 3 years ago

Upgrade to llvm 3.8

File size: 703 bytes
Line 
1; RUN: llc -O0 -mtriple thumbv7-windows-itanium -filetype asm -o - %s | FileCheck %s
2
3declare arm_aapcs_vfpcc i32 @num_entries()
4
5define arm_aapcs_vfpcc void @test___builtin_alloca() {
6entry:
7  %array = alloca i8*, align 4
8  %call = call arm_aapcs_vfpcc i32 @num_entries()
9  %mul = mul i32 4, %call
10  %0 = alloca i8, i32 %mul
11  store i8* %0, i8** %array, align 4
12  ret void
13}
14
15; CHECK: bl num_entries
16; Any register is actually valid here, but turns out we use lr,
17; because we do not have the kill flag on R0.
18; CHECK: mov.w [[R1:lr]], #7
19; CHECK: add.w [[R0:r[0-9]+]], [[R1]], [[R0]], lsl #2
20; CHECK: bic [[R0]], [[R0]], #7
21; CHECK: lsrs r4, [[R0]], #2
22; CHECK: bl __chkstk
23; CHECK: sub.w sp, sp, r4
24
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