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| author | Bob Wilson <bob.wilson@apple.com> | 2010-04-26 23:20:08 +0000 |
|---|---|---|
| committer | Bob Wilson <bob.wilson@apple.com> | 2010-04-26 23:20:08 +0000 |
| commit | 5dfa87ecc6a8b94096869ca0558c5437006d13b3 (patch) | |
| tree | c9daa2769c79df9ddeb54e6698065189ee469f03 /test/CodeGen/Thumb2/2010-04-26-CopyRegCrash.ll | |
| parent | cc7354e9936595fd2654e1690310fcdc5ef10971 (diff) | |
| download | llvm-5dfa87ecc6a8b94096869ca0558c5437006d13b3.tar.gz llvm-5dfa87ecc6a8b94096869ca0558c5437006d13b3.tar.bz2 llvm-5dfa87ecc6a8b94096869ca0558c5437006d13b3.tar.xz | |
Handle register-to-register copies within the tGPR class.
Radar 7896289
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102396 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/Thumb2/2010-04-26-CopyRegCrash.ll')
| -rw-r--r-- | test/CodeGen/Thumb2/2010-04-26-CopyRegCrash.ll | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/test/CodeGen/Thumb2/2010-04-26-CopyRegCrash.ll b/test/CodeGen/Thumb2/2010-04-26-CopyRegCrash.ll new file mode 100644 index 0000000000..950b67e6a5 --- /dev/null +++ b/test/CodeGen/Thumb2/2010-04-26-CopyRegCrash.ll @@ -0,0 +1,73 @@ +; RUN: llc < %s -mtriple=thumbv7-apple-darwin +; Radar 7896289 + +target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:64:64-v128:128:128-a0:0:32-n32" +target triple = "thumbv7-apple-darwin10" + +define arm_apcscc void @test(i32 %mode) nounwind optsize noinline { +entry: + br i1 undef, label %return, label %bb3 + +bb3: ; preds = %entry + br i1 undef, label %bb15, label %bb18 + +bb15: ; preds = %bb3 + unreachable + +bb18: ; preds = %bb3 + switch i32 %mode, label %return [ + i32 0, label %bb26 + i32 1, label %bb56 + i32 2, label %bb107 + i32 6, label %bb150.preheader + i32 9, label %bb310.preheader + i32 13, label %bb414.preheader + i32 15, label %bb468.preheader + i32 16, label %bb522.preheader + ] + +bb150.preheader: ; preds = %bb18 + br i1 undef, label %bb154, label %bb160 + +bb310.preheader: ; preds = %bb18 + unreachable + +bb414.preheader: ; preds = %bb18 + unreachable + +bb468.preheader: ; preds = %bb18 + unreachable + +bb522.preheader: ; preds = %bb18 + unreachable + +bb26: ; preds = %bb18 + unreachable + +bb56: ; preds = %bb18 + unreachable + +bb107: ; preds = %bb18 + br label %bb110 + +bb110: ; preds = %bb122, %bb107 + %asmtmp.i.i179 = tail call i16 asm "rev16 $0, $1\0A", "=l,l"(i16 undef) nounwind ; <i16> [#uses=1] + %asmtmp.i.i178 = tail call i16 asm "rev16 $0, $1\0A", "=l,l"(i16 %asmtmp.i.i179) nounwind ; <i16> [#uses=1] + store i16 %asmtmp.i.i178, i16* undef, align 2 + br i1 undef, label %bb122, label %bb121 + +bb121: ; preds = %bb110 + br label %bb122 + +bb122: ; preds = %bb121, %bb110 + br label %bb110 + +bb154: ; preds = %bb150.preheader + unreachable + +bb160: ; preds = %bb150.preheader + unreachable + +return: ; preds = %bb18, %entry + ret void +} |