diff options
Diffstat (limited to 'llvm/test/Transforms/InstCombine/intptr2.ll')
| -rw-r--r-- | llvm/test/Transforms/InstCombine/intptr2.ll | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstCombine/intptr2.ll b/llvm/test/Transforms/InstCombine/intptr2.ll new file mode 100644 index 00000000000..b105a722749 --- /dev/null +++ b/llvm/test/Transforms/InstCombine/intptr2.ll @@ -0,0 +1,39 @@ +; RUN: opt < %s -instcombine -S | FileCheck %s + +define void @test1(float* %a, float* readnone %a_end, i32* %b.i) { +; CHECK-LABEL: @test1 +entry: + %cmp1 = icmp ult float* %a, %a_end + br i1 %cmp1, label %for.body.preheader, label %for.end + +for.body.preheader: ; preds = %entry + %b = ptrtoint i32 * %b.i to i64 +; CHECK: bitcast +; CHECK-NOT: ptrtoint + br label %for.body +; CHECK: br label %for.body + +for.body: ; preds = %for.body, %for.body.preheader + %a.addr.03 = phi float* [ %incdec.ptr, %for.body ], [ %a, %for.body.preheader ] + %b.addr.02 = phi i64 [ %add.int, %for.body ], [ %b, %for.body.preheader ] +; CHECK: %a.addr.03 = phi float* [ %incdec.ptr, %for.body ], [ %a, %for.body.preheader ] +; CHECK-NOT: phi i64 + %tmp = inttoptr i64 %b.addr.02 to float* +; CHECK-NOT: inttoptr + %tmp1 = load float, float* %tmp, align 4 +; CHECK: = load + %mul.i = fmul float %tmp1, 4.200000e+01 + store float %mul.i, float* %a.addr.03, align 4 + %add = getelementptr inbounds float, float* %tmp, i64 1 +; CHECK: %add = + %add.int = ptrtoint float* %add to i64 +; CHECK-NOT: ptrtoint + %incdec.ptr = getelementptr inbounds float, float* %a.addr.03, i64 1 +; CHECK: %incdec.ptr = + %cmp = icmp ult float* %incdec.ptr, %a_end + br i1 %cmp, label %for.body, label %for.end + +for.end: ; preds = %for.body, %entry + ret void +} + |
