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| author | Jim Grosbach <grosbach@apple.com> | 2010-10-11 23:16:21 +0000 |
|---|---|---|
| committer | Jim Grosbach <grosbach@apple.com> | 2010-10-11 23:16:21 +0000 |
| commit | 42fac8ee3bc02e18a5887800e812af762b45b9eb (patch) | |
| tree | 9134a0864ec487abbca6c9a52294b3b952539c27 /test/MC/ARM/simple-encoding.ll | |
| parent | 17b443df4368acfad853d09858c033c45c468d5c (diff) | |
| download | external_llvm-42fac8ee3bc02e18a5887800e812af762b45b9eb.zip external_llvm-42fac8ee3bc02e18a5887800e812af762b45b9eb.tar.gz external_llvm-42fac8ee3bc02e18a5887800e812af762b45b9eb.tar.bz2 | |
MC machine encoding for simple aritmetic instructions that use a shifted
register operand.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116259 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/MC/ARM/simple-encoding.ll')
| -rw-r--r-- | test/MC/ARM/simple-encoding.ll | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/test/MC/ARM/simple-encoding.ll b/test/MC/ARM/simple-encoding.ll index 2da4e74..4c23c7e7 100644 --- a/test/MC/ARM/simple-encoding.ll +++ b/test/MC/ARM/simple-encoding.ll @@ -8,8 +8,8 @@ define i32 @foo(i32 %a, i32 %b) nounwind ssp { entry: ; CHECK: foo -; CHECK: 0xf0,0x00,0xf0,0x07 -; CHECK: 0x1e,0xff,0x2f,0xe1 +; CHECK: trap @ encoding: [0xf0,0x00,0xf0,0x07] +; CHECK: bx lr @ encoding: [0x1e,0xff,0x2f,0xe1] tail call void @llvm.trap() ret i32 undef @@ -18,9 +18,21 @@ entry: define i32 @f2(i32 %a, i32 %b) nounwind readnone ssp { entry: ; CHECK: f2 -; CHECK: 0x00,0x00,0x81,0xe0 -; CHECK: 0x1e,0xff,0x2f,0xe1 +; CHECK: add r0, r1, r0 @ encoding: [0x00,0x00,0x81,0xe0] +; CHECK: bx lr @ encoding: [0x1e,0xff,0x2f,0xe1] %add = add nsw i32 %b, %a ret i32 %add } + + +define i32 @f3(i32 %a, i32 %b) nounwind readnone ssp { +entry: +; CHECK: f3 +; CHECK: add r0, r0, r1, lsl #3 @ encoding: [0x81,0x01,0x80,0xe0] +; CHECK: bx lr @ encoding: [0x1e,0xff,0x2f,0xe1] + %mul = shl i32 %b, 3 + %add = add nsw i32 %mul, %a + ret i32 %add +} + declare void @llvm.trap() nounwind |