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-rw-r--r--llvm/test/Transforms/SimplifyCFG/phi-undef-loadstore.ll239
1 files changed, 0 insertions, 239 deletions
diff --git a/llvm/test/Transforms/SimplifyCFG/phi-undef-loadstore.ll b/llvm/test/Transforms/SimplifyCFG/phi-undef-loadstore.ll
deleted file mode 100644
index e7e9e727346..00000000000
--- a/llvm/test/Transforms/SimplifyCFG/phi-undef-loadstore.ll
+++ /dev/null
@@ -1,239 +0,0 @@
-; RUN: opt -simplifycfg -S < %s | FileCheck %s
-
-declare void @bar() nounwind
-
-define i32 @test1(i32* %a, i32 %b, i32* %c, i32 %d) nounwind {
-entry:
- %tobool = icmp eq i32 %b, 0
- br i1 %tobool, label %if.else, label %if.then
-
-if.then: ; preds = %entry
- tail call void @bar() nounwind
- br label %if.end7
-
-if.else: ; preds = %entry
- %tobool3 = icmp eq i32 %d, 0
- br i1 %tobool3, label %if.end7, label %if.then4
-
-if.then4: ; preds = %if.else
- tail call void @bar() nounwind
- br label %if.end7
-
-if.end7: ; preds = %if.else, %if.then4, %if.then
- %x.0 = phi i32* [ %a, %if.then ], [ %c, %if.then4 ], [ null, %if.else ]
- %tmp9 = load i32, i32* %x.0
- ret i32 %tmp9
-
-; CHECK-LABEL: @test1(
-; CHECK: if.else:
-; CHECK: br label %if.end7
-
-; CHECK: phi i32* [ %a, %if.then ], [ %c, %if.else ]
-}
-
-define i32 @test1_no_null_opt(i32* %a, i32 %b, i32* %c, i32 %d) nounwind #0 {
-entry:
- %tobool = icmp eq i32 %b, 0
- br i1 %tobool, label %if.else, label %if.then
-
-if.then: ; preds = %entry
- tail call void @bar() nounwind
- br label %if.end7
-
-if.else: ; preds = %entry
- %tobool3 = icmp eq i32 %d, 0
- br i1 %tobool3, label %if.end7, label %if.then4
-
-if.then4: ; preds = %if.else
- tail call void @bar() nounwind
- br label %if.end7
-
-if.end7: ; preds = %if.else, %if.then4, %if.then
- %x.0 = phi i32* [ %a, %if.then ], [ %c, %if.then4 ], [ null, %if.else ]
- %tmp9 = load i32, i32* %x.0
- ret i32 %tmp9
-
-; CHECK-LABEL: @test1_no_null_opt(
-; CHECK: if.then:
-; CHECK: if.else:
-; CHECK: if.then4:
-; CHECK: br label %if.end7
-; CHECK: if.end7:
-; CHECK-NEXT: phi i32* [ %a, %if.then ], [ %c, %if.then4 ], [ null, %if.else ]
-}
-
-define i32 @test2(i32* %a, i32 %b, i32* %c, i32 %d) nounwind {
-entry:
- %tobool = icmp eq i32 %b, 0
- br i1 %tobool, label %if.else, label %if.then
-
-if.then: ; preds = %entry
- tail call void @bar() nounwind
- br label %if.end7
-
-if.else: ; preds = %entry
- %tobool3 = icmp eq i32 %d, 0
- br i1 %tobool3, label %if.end7, label %if.then4
-
-if.then4: ; preds = %if.else
- tail call void @bar() nounwind
- br label %if.end7
-
-if.end7: ; preds = %if.else, %if.then4, %if.then
- %x.0 = phi i32* [ %a, %if.then ], [ null, %if.then4 ], [ null, %if.else ]
- %tmp9 = load i32, i32* %x.0
- ret i32 %tmp9
-; CHECK-LABEL: @test2(
-; CHECK: if.else:
-; CHECK: unreachable
-
-; CHECK-NOT: phi
-}
-
-define i32 @test2_no_null_opt(i32* %a, i32 %b, i32* %c, i32 %d) nounwind #0 {
-entry:
- %tobool = icmp eq i32 %b, 0
- br i1 %tobool, label %if.else, label %if.then
-
-if.then: ; preds = %entry
- tail call void @bar() nounwind
- br label %if.end7
-
-if.else: ; preds = %entry
- %tobool3 = icmp eq i32 %d, 0
- br i1 %tobool3, label %if.end7, label %if.then4
-
-if.then4: ; preds = %if.else
- tail call void @bar() nounwind
- br label %if.end7
-
-if.end7: ; preds = %if.else, %if.then4, %if.then
- %x.0 = phi i32* [ %a, %if.then ], [ null, %if.then4 ], [ null, %if.else ]
- %tmp9 = load i32, i32* %x.0
- ret i32 %tmp9
-; CHECK-LABEL: @test2_no_null_opt(
-; CHECK: if.then:
-; CHECK: if.else:
-; CHECK: if.then4:
-; CHECK: if.end7:
-; CHECK-NEXT: phi i32* [ %a, %if.then ], [ null, %if.then4 ], [ null, %if.else ]
-}
-
-define i32 @test3(i32* %a, i32 %b, i32* %c, i32 %d) nounwind {
-entry:
- %tobool = icmp eq i32 %b, 0
- br i1 %tobool, label %if.else, label %if.then
-
-if.then: ; preds = %entry
- tail call void @bar() nounwind
- br label %if.end7
-
-if.else: ; preds = %entry
- %tobool3 = icmp eq i32 %d, 0
- br i1 %tobool3, label %if.end7, label %if.then4
-
-if.then4: ; preds = %if.else
- tail call void @bar() nounwind
- br label %if.end7
-
-if.end7: ; preds = %if.else, %if.then4, %if.then
- %x.0 = phi i32* [ %a, %if.then ], [ null, %if.then4 ], [ null, %if.else ]
- tail call void @bar() nounwind
- %tmp9 = load i32, i32* %x.0
- ret i32 %tmp9
-; CHECK-LABEL: @test3(
-; CHECK: if.end7:
-; CHECK: phi i32* [ %a, %if.then ], [ null, %if.then4 ], [ null, %if.else ]
-}
-
-define i32 @test3_no_null_opt(i32* %a, i32 %b, i32* %c, i32 %d) nounwind #0 {
-entry:
- %tobool = icmp eq i32 %b, 0
- br i1 %tobool, label %if.else, label %if.then
-
-if.then: ; preds = %entry
- tail call void @bar() nounwind
- br label %if.end7
-
-if.else: ; preds = %entry
- %tobool3 = icmp eq i32 %d, 0
- br i1 %tobool3, label %if.end7, label %if.then4
-
-if.then4: ; preds = %if.else
- tail call void @bar() nounwind
- br label %if.end7
-
-if.end7: ; preds = %if.else, %if.then4, %if.then
- %x.0 = phi i32* [ %a, %if.then ], [ null, %if.then4 ], [ null, %if.else ]
- tail call void @bar() nounwind
- %tmp9 = load i32, i32* %x.0
- ret i32 %tmp9
-; CHECK-LABEL: @test3_no_null_opt(
-; CHECK: if.then:
-; CHECK: if.else:
-; CHECK: if.then4:
-; CHECK: if.end7:
-; CHECK-NEXT: phi i32* [ %a, %if.then ], [ null, %if.then4 ], [ null, %if.else ]
-}
-
-define i32 @test4(i32* %a, i32 %b, i32* %c, i32 %d) nounwind {
-entry:
- %tobool = icmp eq i32 %b, 0
- br i1 %tobool, label %if.else, label %if.then
-
-if.then: ; preds = %entry
- tail call void @bar() nounwind
- br label %if.end7
-
-if.else: ; preds = %entry
- %tobool3 = icmp eq i32 %d, 0
- br i1 %tobool3, label %if.end7, label %if.then4
-
-if.then4: ; preds = %if.else
- tail call void @bar() nounwind
- br label %if.end7
-
-if.end7: ; preds = %if.else, %if.then4, %if.then
- %x.0 = phi i32* [ %a, %if.then ], [ null, %if.then4 ], [ null, %if.else ]
- %gep = getelementptr i32, i32* %x.0, i32 10
- %tmp9 = load i32, i32* %gep
- %tmp10 = or i32 %tmp9, 1
- store i32 %tmp10, i32* %gep
- ret i32 %tmp9
-; CHECK-LABEL: @test4(
-; CHECK-NOT: phi
-}
-
-define i32 @test4_no_null_opt(i32* %a, i32 %b, i32* %c, i32 %d) nounwind #0 {
-entry:
- %tobool = icmp eq i32 %b, 0
- br i1 %tobool, label %if.else, label %if.then
-
-if.then: ; preds = %entry
- tail call void @bar() nounwind
- br label %if.end7
-
-if.else: ; preds = %entry
- %tobool3 = icmp eq i32 %d, 0
- br i1 %tobool3, label %if.end7, label %if.then4
-
-if.then4: ; preds = %if.else
- tail call void @bar() nounwind
- br label %if.end7
-
-if.end7: ; preds = %if.else, %if.then4, %if.then
- %x.0 = phi i32* [ %a, %if.then ], [ null, %if.then4 ], [ null, %if.else ]
- %gep = getelementptr i32, i32* %x.0, i32 10
- %tmp9 = load i32, i32* %gep
- %tmp10 = or i32 %tmp9, 1
- store i32 %tmp10, i32* %gep
- ret i32 %tmp9
-; CHECK-LABEL: @test4_no_null_opt(
-; CHECK: if.then:
-; CHECK: if.else:
-; CHECK: if.then4:
-; CHECK: if.end7:
-; CHECK-NEXT: phi i32* [ %a, %if.then ], [ null, %if.then4 ], [ null, %if.else ]
-}
-
-attributes #0 = { "null-pointer-is-valid"="true" }
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