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| author | Evan Cheng <evan.cheng@apple.com> | 2009-08-01 00:16:10 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2009-08-01 00:16:10 +0000 |
| commit | b620724e614c6594e7b269b6ea7d8483947ea944 (patch) | |
| tree | 9b453a3e3f9472971e4a79c679c843bb321d1f30 /test/CodeGen/Thumb2/thumb2-call.ll | |
| parent | 675fb65bf436b398f2ab3861b0fa05e3028a83d1 (diff) | |
| download | llvm-b620724e614c6594e7b269b6ea7d8483947ea944.tar.gz llvm-b620724e614c6594e7b269b6ea7d8483947ea944.tar.bz2 llvm-b620724e614c6594e7b269b6ea7d8483947ea944.tar.xz | |
Fix Thumb2 function call isel. Thumb1 and Thumb2 should share the same
instructions for calls since BL and BLX are always 32-bit long and BX is always
16-bit long.
Also, we should be using BLX to call external function stubs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77756 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/Thumb2/thumb2-call.ll')
| -rw-r--r-- | test/CodeGen/Thumb2/thumb2-call.ll | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/test/CodeGen/Thumb2/thumb2-call.ll b/test/CodeGen/Thumb2/thumb2-call.ll new file mode 100644 index 0000000000..23a9b16be0 --- /dev/null +++ b/test/CodeGen/Thumb2/thumb2-call.ll @@ -0,0 +1,20 @@ +; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | FileCheck %s + +@t = weak global i32 ()* null ; <i32 ()**> [#uses=1] + +declare void @g(i32, i32, i32, i32) + +define void @f() { +; CHECK: f: +; CHECK: blx + call void @g( i32 1, i32 2, i32 3, i32 4 ) + ret void +} + +define void @h() { +; CHECK: h: +; CHECK: blx r0 + %tmp = load i32 ()** @t ; <i32 ()*> [#uses=1] + %tmp.upgrd.2 = tail call i32 %tmp( ) ; <i32> [#uses=0] + ret void +} |