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authorRafael Espindola <rafael.espindola@gmail.com>2014-01-02 13:40:08 +0000
committerRafael Espindola <rafael.espindola@gmail.com>2014-01-02 13:40:08 +0000
commitd89b16dcb822ed2bc7507c52730b43f0855a3b33 (patch)
treed6fd61948a43cccc0e69f8a283f5c5f56f3e6a11 /llvm/test/CodeGen
parentd4993032a9bd985a296729f52b14de207f128083 (diff)
downloadbcm5719-llvm-d89b16dcb822ed2bc7507c52730b43f0855a3b33.tar.gz
bcm5719-llvm-d89b16dcb822ed2bc7507c52730b43f0855a3b33.zip
Make the ARM ABI selectable via SubtargetFeature.
This patch makes it possible to select the ABI with -mattr. It will be used to forward clang's -target-abi option to llvm's CodeGen. llvm-svn: 198304
Diffstat (limited to 'llvm/test/CodeGen')
-rw-r--r--llvm/test/CodeGen/ARM/arm-abi-attr.ll28
1 files changed, 28 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/ARM/arm-abi-attr.ll b/llvm/test/CodeGen/ARM/arm-abi-attr.ll
new file mode 100644
index 00000000000..f3923ae5cc8
--- /dev/null
+++ b/llvm/test/CodeGen/ARM/arm-abi-attr.ll
@@ -0,0 +1,28 @@
+; RUN: llc -mtriple=arm-linux < %s | FileCheck %s --check-prefix=APCS
+; RUN: llc -mtriple=arm-linux -mattr=apcs < %s | \
+; RUN: FileCheck %s --check-prefix=APCS
+; RUN: llc -mtriple=arm-linux-gnueabi -mattr=apcs < %s | \
+; RUN: FileCheck %s --check-prefix=APCS
+
+; RUN: llc -mtriple=arm-linux-gnueabi < %s | FileCheck %s --check-prefix=AAPCS
+; RUN: llc -mtriple=arm-linux-gnueabi -mattr=aapcs < %s | \
+; RUN: FileCheck %s --check-prefix=AAPCS
+; RUN: llc -mtriple=arm-linux-gnu -mattr=aapcs < %s | \
+; RUN: FileCheck %s --check-prefix=AAPCS
+
+; The stack is 8 byte aligned on AAPCS and 4 on APCS, so we should get a BIC
+; only on APCS.
+
+define void @g() {
+; APCS: sub sp, sp, #8
+; APCS: bic sp, sp, #7
+
+; AAPCS: sub sp, sp, #8
+; AAPCS-NOT: bic
+
+ %c = alloca i8, align 8
+ call void @f(i8* %c)
+ ret void
+}
+
+declare void @f(i8*)
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