diff options
| author | Bob Wilson <bob.wilson@apple.com> | 2009-11-04 19:25:34 +0000 |
|---|---|---|
| committer | Bob Wilson <bob.wilson@apple.com> | 2009-11-04 19:25:34 +0000 |
| commit | 0d48d6106e7ab165bcf80b5ba6b43ff3216f2644 (patch) | |
| tree | ef499e121981eb4546989b0e2693f8a8ffcfa419 | |
| parent | ad68264f590f05db3731a452fc91dc22bc75167d (diff) | |
| download | external_llvm-0d48d6106e7ab165bcf80b5ba6b43ff3216f2644.zip external_llvm-0d48d6106e7ab165bcf80b5ba6b43ff3216f2644.tar.gz external_llvm-0d48d6106e7ab165bcf80b5ba6b43ff3216f2644.tar.bz2 | |
Add test for ARM indirectbr codegen.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86042 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | test/CodeGen/ARM/indirectbr.ll | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/indirectbr.ll b/test/CodeGen/ARM/indirectbr.ll new file mode 100644 index 0000000..224f345 --- /dev/null +++ b/test/CodeGen/ARM/indirectbr.ll @@ -0,0 +1,63 @@ +; RUN: llc < %s -relocation-model=pic -march=arm | FileCheck %s -check-prefix=ARM +; RUN: llc < %s -relocation-model=pic -march=thumb | FileCheck %s -check-prefix=THUMB +; RUN: llc < %s -relocation-model=static -march=thumb -mattr=+thumb2 | FileCheck %s -check-prefix=THUMB2 + +@nextaddr = global i8* null ; <i8**> [#uses=2] +@C.0.2070 = private constant [5 x i8*] [i8* blockaddress(@foo, %L1), i8* blockaddress(@foo, %L2), i8* blockaddress(@foo, %L3), i8* blockaddress(@foo, %L4), i8* blockaddress(@foo, %L5)] ; <[5 x i8*]*> [#uses=1] + +define internal arm_apcscc i32 @foo(i32 %i) nounwind { +; ARM: foo: +; THUMB: foo: +; THUMB2: foo: +entry: + %0 = load i8** @nextaddr, align 4 ; <i8*> [#uses=2] + %1 = icmp eq i8* %0, null ; <i1> [#uses=1] + br i1 %1, label %bb3, label %bb2 + +bb2: ; preds = %entry, %bb3 + %gotovar.4.0 = phi i8* [ %gotovar.4.0.pre, %bb3 ], [ %0, %entry ] ; <i8*> [#uses=1] +; ARM: bx +; THUMB: mov pc, r1 +; THUMB2: mov pc, r1 + indirectbr i8* %gotovar.4.0, [label %L5, label %L4, label %L3, label %L2, label %L1] + +bb3: ; preds = %entry + %2 = getelementptr inbounds [5 x i8*]* @C.0.2070, i32 0, i32 %i ; <i8**> [#uses=1] + %gotovar.4.0.pre = load i8** %2, align 4 ; <i8*> [#uses=1] + br label %bb2 + +L5: ; preds = %bb2 + br label %L4 + +L4: ; preds = %L5, %bb2 + %res.0 = phi i32 [ 385, %L5 ], [ 35, %bb2 ] ; <i32> [#uses=1] + br label %L3 + +L3: ; preds = %L4, %bb2 + %res.1 = phi i32 [ %res.0, %L4 ], [ 5, %bb2 ] ; <i32> [#uses=1] + br label %L2 + +L2: ; preds = %L3, %bb2 + %res.2 = phi i32 [ %res.1, %L3 ], [ 1, %bb2 ] ; <i32> [#uses=1] + %phitmp = mul i32 %res.2, 6 ; <i32> [#uses=1] + br label %L1 + +L1: ; preds = %L2, %bb2 + %res.3 = phi i32 [ %phitmp, %L2 ], [ 2, %bb2 ] ; <i32> [#uses=1] +; ARM: ldr r1, LCPI1_2 +; ARM: add r1, pc, r1 +; ARM: str r1 +; THUMB: ldr r2, LCPI1_4 +; THUMB: add r2, pc +; THUMB: str r2 +; THUMB2: ldr r2, LCPI1_2 +; THUMB2-NEXT: str r2 + store i8* blockaddress(@foo, %L5), i8** @nextaddr, align 4 + ret i32 %res.3 +} +; ARM: LCPI1_2: +; ARM-NEXT: .long L_foo_L5-(LPC2+8) +; THUMB: LCPI1_4: +; THUMB-NEXT: .long L_foo_L5-(LPC2+4) +; THUMB2: LCPI1_2: +; THUMB2-NEXT: .long L_foo_L5 |