1 files changed, 193 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstCombine/intptr1.ll b/llvm/test/Transforms/InstCombine/intptr1.ll
new file mode 100644
index 00000000000..3d8f915eb43
--- /dev/null
+++ b/llvm/test/Transforms/InstCombine/intptr1.ll
@@ -0,0 +1,193 @@
+; RUN: opt < %s  -instcombine  -S | FileCheck %s
+
+define void @test1(float* %a, float* readnone %a_end, i64* %b.i64) {
+; 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 = load i64, i64* %b.i64, align 8
+; CHECK: load float*, float**
+  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: %b.addr.02.ptr = phi float* [ %add, %for.body ],
+; CHECK-NOT: %b.addr.02 = phi i64
+
+  %tmp = inttoptr i64 %b.addr.02 to float*
+; CHECK-NOT: inttoptr i64
+  %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
+  %add.int = ptrtoint float* %add to i64
+; CHECK %add = getelementptr
+; CHECK-NOT: ptrtoint float*
+  %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
+}
+
+define void @test1_neg(float* %a, float* readnone %a_end, i64* %b.i64) {
+; CHECK-LABEL: @test1_neg
+entry:
+  %cmp1 = icmp ult float* %a, %a_end
+  br i1 %cmp1, label %for.body.preheader, label %for.end
+
+for.body.preheader:                               ; preds = %entry
+  %b = load i64, i64* %b.i64, align 8
+  br label %for.body
+
+for.body:                                         ; preds = %for.body, %for.body.preheader
+  %a.addr.03 = phi float* [ %incdec.ptr, %bb ], [ %a, %for.body.preheader ]
+  %b.addr.02 = phi i64 [ %add.int, %bb ], [ %b, %for.body.preheader ]
+
+; CHECK: %a.addr.03 = phi float* [ %incdec.ptr, %bb ], [ %a, %for.body.preheader ]
+; CHECK: %b.addr.02 = phi i64
+
+  %tmp = inttoptr i64 %b.addr.02 to float*
+; CHECK: inttoptr i64
+  %ptrcmp = icmp ult float* %tmp, %a_end
+  br i1 %ptrcmp, label %for.end, label %bb
+
+bb:
+  %tmp1 = load float, float* %a, align 4
+  %mul.i = fmul float %tmp1, 4.200000e+01
+  store float %mul.i, float* %a.addr.03, align 4
+  %add = getelementptr inbounds float, float* %a, i64 1
+  %add.int = ptrtoint float* %add to i64
+; CHECK: ptrtoint float*
+  %incdec.ptr = getelementptr inbounds float, float* %a.addr.03, i64 1
+  %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
+}
+
+
+define void @test2(float* %a, float* readnone %a_end, float** %b.float) {
+; CHECK-LABEL: @test2
+entry:
+  %cmp1 = icmp ult float* %a, %a_end
+  br i1 %cmp1, label %for.body.preheader, label %for.end
+
+for.body.preheader:                               ; preds = %entry
+  %b.i64 = bitcast float** %b.float to i64*
+  %b = load i64, i64* %b.i64, align 8
+; CHECK: load float*, float**
+  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: %b.addr.02.ptr = phi float* [ %add, %for.body ],
+; CHECK-NOT: %b.addr.02 = phi i64
+
+  %tmp = inttoptr i64 %b.addr.02 to float*
+; CHECK-NOT: inttoptr i64
+  %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 float*
+  %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
+}
+
+
+define void @test3(float* %a, float* readnone %a_end, i8** %b.i8p) {
+; CHECK-LABEL: @test3
+entry:
+  %cmp1 = icmp ult float* %a, %a_end
+  br i1 %cmp1, label %for.body.preheader, label %for.end
+
+for.body.preheader:                               ; preds = %entry
+  %b.i64 = bitcast i8** %b.i8p to i64*
+  %b = load i64, i64* %b.i64, align 8
+; CHECK: load float*, float**
+  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: %b.addr.02.ptr = phi float* [ %add, %for.body ],
+; CHECK-NOT: %b.addr.02 = phi i64
+
+  %tmp = inttoptr i64 %b.addr.02 to float*
+; CHECK-NOT: inttoptr i64
+  %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 = getelementptr
+  %add.int = ptrtoint float* %add to i64
+; CHECK-NOT: ptrtoint float*
+  %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
+}
+
+
+define void @test4(float* %a, float* readnone %a_end, float** %b.float) {
+entry:
+; CHECK-LABEL: @test4
+  %cmp1 = icmp ult float* %a, %a_end
+  br i1 %cmp1, label %for.body.preheader, label %for.end
+
+for.body.preheader:                               ; preds = %entry
+  %b.f = load float*, float** %b.float, align 8
+  %b = ptrtoint float* %b.f to i64
+; CHECK: load float*, float**
+; CHECK-NOT: ptrtoint float*
+  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 ]
+  %tmp = inttoptr i64 %b.addr.02 to float*
+; CHECK-NOT: inttoptr i64
+  %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 float*
+  %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
+}