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author | Bob Wilson <bob.wilson@apple.com> | 2009-11-04 21:31:18 +0000 |
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committer | Bob Wilson <bob.wilson@apple.com> | 2009-11-04 21:31:18 +0000 |
commit | 3d90dbee695e723f422dafca3fc75f193268ab9e (patch) | |
tree | 9c592ffc8c85e675ea6d1658773e1a7b5811f49c /test/CodeGen/PowerPC/indirectbr.ll | |
parent | 0368e500eb7f5f03313e1a7af5b8fa48465c0560 (diff) | |
download | external_llvm-3d90dbee695e723f422dafca3fc75f193268ab9e.zip external_llvm-3d90dbee695e723f422dafca3fc75f193268ab9e.tar.gz external_llvm-3d90dbee695e723f422dafca3fc75f193268ab9e.tar.bz2 |
Add PowerPC codegen for indirect branches.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86050 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/PowerPC/indirectbr.ll')
-rw-r--r-- | test/CodeGen/PowerPC/indirectbr.ll | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/indirectbr.ll b/test/CodeGen/PowerPC/indirectbr.ll new file mode 100644 index 0000000..94ad093 --- /dev/null +++ b/test/CodeGen/PowerPC/indirectbr.ll @@ -0,0 +1,55 @@ +; RUN: llc < %s -relocation-model=pic -march=ppc32 | FileCheck %s -check-prefix=PIC +; RUN: llc < %s -relocation-model=static -march=ppc32 | FileCheck %s -check-prefix=STATIC + +@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 i32 @foo(i32 %i) nounwind { +; PIC: foo: +; STATIC: 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] +; PIC: mtctr +; PIC-NEXT: bctr +; STATIC: mtctr +; STATIC-NEXT: bctr + 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] +; PIC: addis r4, r2, ha16(L_foo_L5-"L1$pb") +; PIC: li r5, lo16(L_foo_L5-"L1$pb") +; PIC: add r4, r4, r5 +; PIC: stw r4 +; STATIC: li r2, lo16(L_foo_L5) +; STATIC: addis r2, r2, ha16(L_foo_L5) +; STATIC: stw r2 + store i8* blockaddress(@foo, %L5), i8** @nextaddr, align 4 + ret i32 %res.3 +} |