diff options
| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-09-23 22:10:33 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-09-23 22:10:33 +0000 |
| commit | 11ebe3d7c11521b2f092165ac712c9ea0f4c462f (patch) | |
| tree | 725380469e5932480e39ca0238e73238ff2b3031 /test/CodeGen | |
| parent | 1f24002ed42fb93662674b3bec36b0d66d9635ee (diff) | |
| download | llvm-11ebe3d7c11521b2f092165ac712c9ea0f4c462f.tar.gz llvm-11ebe3d7c11521b2f092165ac712c9ea0f4c462f.tar.bz2 llvm-11ebe3d7c11521b2f092165ac712c9ea0f4c462f.tar.xz | |
Also match negative offsets for addrmode3 and addrmode5.
Math is hard, and isScaledConstantInRange() always returned false for
negative constants. It was doing unsigned division of negative numbers
before casting back to signed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140425 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen')
| -rw-r--r-- | test/CodeGen/ARM/fpmem.ll | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/fpmem.ll b/test/CodeGen/ARM/fpmem.ll index c3cff18c95..38339334b4 100644 --- a/test/CodeGen/ARM/fpmem.ll +++ b/test/CodeGen/ARM/fpmem.ll @@ -14,6 +14,24 @@ define float @f2(float* %v, float %u) { ret float %tmp1 } +define float @f2offset(float* %v, float %u) { +; CHECK: f2offset: +; CHECK: vldr.32{{.*}}, #4] + %addr = getelementptr float* %v, i32 1 + %tmp = load float* %addr + %tmp1 = fadd float %tmp, %u + ret float %tmp1 +} + +define float @f2noffset(float* %v, float %u) { +; CHECK: f2noffset: +; CHECK: vldr.32{{.*}}, #-4] + %addr = getelementptr float* %v, i32 -1 + %tmp = load float* %addr + %tmp1 = fadd float %tmp, %u + ret float %tmp1 +} + define void @f3(float %a, float %b, float* %v) { ; CHECK: f3: ; CHECK: vstr.32{{.*}}[ |