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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-05-23 23:42:23 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-05-23 23:42:23 +0000 |
| commit | 39867e6646a7dba628b0217309b1425a04b4a3e1 (patch) | |
| tree | a7aa7518f201094841ab65d7a0bb70efc304a38e /test/CodeGen/Thumb2 | |
| parent | d74d2847573df690b6a91254688ef3fd974f83f7 (diff) | |
| download | llvm-39867e6646a7dba628b0217309b1425a04b4a3e1.tar.gz llvm-39867e6646a7dba628b0217309b1425a04b4a3e1.tar.bz2 llvm-39867e6646a7dba628b0217309b1425a04b4a3e1.tar.xz | |
Add a test case for global live range splitting.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157357 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/Thumb2')
| -rw-r--r-- | test/CodeGen/Thumb2/inflate-regs.ll | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/test/CodeGen/Thumb2/inflate-regs.ll b/test/CodeGen/Thumb2/inflate-regs.ll index 264863512e..d8a558c97e 100644 --- a/test/CodeGen/Thumb2/inflate-regs.ll +++ b/test/CodeGen/Thumb2/inflate-regs.ll @@ -20,3 +20,30 @@ entry: store float %a, float* %p, align 4 ret void } + +; CHECK: global_split +; +; Same thing, but across basic blocks. +; +; CHECK: vldr s +; CHECK-NOT: vstr +; CHECK: vadd.f32 +; CHECK-NOT: vstr +; CHECK: vorr +; CHECK: vstr s +define void @global_split(float* nocapture %p1, float* nocapture %p2) nounwind ssp { +entry: + %0 = load float* %p1, align 4 + %add = fadd float %0, 1.000000e+00 + tail call void asm sideeffect "", "~{d0},~{d1},~{d2},~{d3},~{d4},~{d5},~{d6},~{d7},~{d8},~{d9},~{d10},~{d11},~{d12},~{d13},~{d14},~{d15}"() nounwind + %cmp = fcmp ogt float %add, 0.000000e+00 + br i1 %cmp, label %if.then, label %if.end + +if.then: + store float %add, float* %p2, align 4 + br label %if.end + +if.end: + store float %add, float* %p1, align 4 + ret void +} |