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authorJakob Stoklund Olesen <stoklund@2pi.dk>2012-05-23 23:42:23 +0000
committerJakob Stoklund Olesen <stoklund@2pi.dk>2012-05-23 23:42:23 +0000
commit41ebcda8f41854339c07f1445b5bcc6d7bfd2af5 (patch)
tree9a1aad1bf650247a56dd1e74076eb0cfebe1fd83 /llvm/test/CodeGen/Thumb2
parent03a384ec1f9f3b1b8ccf5588753264dc230cb7cc (diff)
downloadbcm5719-llvm-41ebcda8f41854339c07f1445b5bcc6d7bfd2af5.tar.gz
bcm5719-llvm-41ebcda8f41854339c07f1445b5bcc6d7bfd2af5.zip
Add a test case for global live range splitting.
llvm-svn: 157357
Diffstat (limited to 'llvm/test/CodeGen/Thumb2')
-rw-r--r--llvm/test/CodeGen/Thumb2/inflate-regs.ll27
1 files changed, 27 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/Thumb2/inflate-regs.ll b/llvm/test/CodeGen/Thumb2/inflate-regs.ll
index 264863512ef..d8a558c97e2 100644
--- a/llvm/test/CodeGen/Thumb2/inflate-regs.ll
+++ b/llvm/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
+}
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