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| author | Evan Cheng <evan.cheng@apple.com> | 2009-07-11 07:08:13 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2009-07-11 07:08:13 +0000 |
| commit | 2f297df02eac140de4e2f85e56bd79abf883360c (patch) | |
| tree | 94072591801953668c423bad869f1a856e213c8b /test | |
| parent | 446c428bf394b7113b0f18cbacb5e87b4efd1e14 (diff) | |
| download | external_llvm-2f297df02eac140de4e2f85e56bd79abf883360c.zip external_llvm-2f297df02eac140de4e2f85e56bd79abf883360c.tar.gz external_llvm-2f297df02eac140de4e2f85e56bd79abf883360c.tar.bz2 | |
Smarter isel of ldrsb / ldrsh. Only make use of these when [r,r] address is feasible.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75360 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/Thumb/ldr_ext.ll | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/test/CodeGen/Thumb/ldr_ext.ll b/test/CodeGen/Thumb/ldr_ext.ll index 4b2a7b2..f8b9d15 100644 --- a/test/CodeGen/Thumb/ldr_ext.ll +++ b/test/CodeGen/Thumb/ldr_ext.ll @@ -1,27 +1,34 @@ -; RUN: llvm-as < %s | llc -march=thumb | grep ldrb | count 1 -; RUN: llvm-as < %s | llc -march=thumb | grep ldrh | count 1 -; RUN: llvm-as < %s | llc -march=thumb | grep ldrsb | count 1 -; RUN: llvm-as < %s | llc -march=thumb | grep ldrsh | count 1 +; RUN: llvm-as < %s | llc -march=thumb | FileCheck %s define i32 @test1(i8* %v.pntr.s0.u1) { +; CHECK: test1: +; CHECK: ldrb %tmp.u = load i8* %v.pntr.s0.u1 %tmp1.s = zext i8 %tmp.u to i32 ret i32 %tmp1.s } define i32 @test2(i16* %v.pntr.s0.u1) { +; CHECK: test2: +; CHECK: ldrh %tmp.u = load i16* %v.pntr.s0.u1 %tmp1.s = zext i16 %tmp.u to i32 ret i32 %tmp1.s } define i32 @test3(i8* %v.pntr.s1.u0) { - %tmp.s = load i8* %v.pntr.s1.u0 +; CHECK: test3: +; CHECK: ldrb +; CHECK: sxtb + %tmp.s = load i8* %v.pntr.s1.u0 %tmp1.s = sext i8 %tmp.s to i32 ret i32 %tmp1.s } define i32 @test4() { +; CHECK: test4: +; CHECK: movs +; CHECK: ldrsh %tmp.s = load i16* null %tmp1.s = sext i16 %tmp.s to i32 ret i32 %tmp1.s |