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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2009-08-04 21:30:30 +0000 |
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| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2009-08-04 21:30:30 +0000 |
| commit | 8c485ccb6d0978135f5475e95e94ce3ac4478849 (patch) | |
| tree | c22410dfe565a18f657ed4e94fed95e325ca8da7 /test | |
| parent | 0c5a1eb4b500414569ffa2b0a40f2a32018a2042 (diff) | |
| download | external_llvm-8c485ccb6d0978135f5475e95e94ce3ac4478849.zip external_llvm-8c485ccb6d0978135f5475e95e94ce3ac4478849.tar.gz external_llvm-8c485ccb6d0978135f5475e95e94ce3ac4478849.tar.bz2 | |
Clean up the handling of two-address operands in RegScavenger.
This fixes PR4528.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78107 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/ARM/2009-08-04-RegScavengerAssert-2.ll | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/2009-08-04-RegScavengerAssert-2.ll b/test/CodeGen/ARM/2009-08-04-RegScavengerAssert-2.ll new file mode 100644 index 0000000..c16a2d1 --- /dev/null +++ b/test/CodeGen/ARM/2009-08-04-RegScavengerAssert-2.ll @@ -0,0 +1,33 @@ +; RUN: llvm-as < %s | llc -mtriple=armv6-elf +; PR4528 + +target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:64:64-v128:128:128-a0:0:64" +target triple = "armv6-elf" + +define arm_aapcscc i32 @file_read_actor(i32* nocapture %desc, i32* %page, i32 %offset, i32 %size) nounwind optsize { +entry: + br i1 undef, label %fault_in_pages_writeable.exit, label %bb5.i + +bb5.i: ; preds = %entry + %asmtmp.i = tail call i32 asm sideeffect "1:\09strbt\09$1,[$2]\0A2:\0A\09.section .fixup,\22ax\22\0A\09.align\092\0A3:\09mov\09$0, $3\0A\09b\092b\0A\09.previous\0A\09.section __ex_table,\22a\22\0A\09.align\093\0A\09.long\091b, 3b\0A\09.previous", "=r,r,r,i,0,~{cc}"(i8 0, i32 undef, i32 -14, i32 0) nounwind ; <i32> [#uses=1] + %0 = icmp eq i32 %asmtmp.i, 0 ; <i1> [#uses=1] + br i1 %0, label %bb6.i, label %fault_in_pages_writeable.exit + +bb6.i: ; preds = %bb5.i + br i1 undef, label %fault_in_pages_writeable.exit, label %bb7.i + +bb7.i: ; preds = %bb6.i + unreachable + +fault_in_pages_writeable.exit: ; preds = %bb6.i, %bb5.i, %entry + br i1 undef, label %bb2, label %bb3 + +bb2: ; preds = %fault_in_pages_writeable.exit + unreachable + +bb3: ; preds = %fault_in_pages_writeable.exit + %1 = tail call arm_aapcscc i32 @__copy_to_user(i8* undef, i8* undef, i32 undef) nounwind ; <i32> [#uses=0] + unreachable +} + +declare arm_aapcscc i32 @__copy_to_user(i8*, i8*, i32) |