diff options
Diffstat (limited to 'test/Transforms/LowerSwitch')
3 files changed, 107 insertions, 75 deletions
diff --git a/test/Transforms/LowerSwitch/2014-06-10-SwitchContiguousOpt.ll b/test/Transforms/LowerSwitch/2014-06-10-SwitchContiguousOpt.ll new file mode 100644 index 0000000..3673c04 --- /dev/null +++ b/test/Transforms/LowerSwitch/2014-06-10-SwitchContiguousOpt.ll @@ -0,0 +1,27 @@ +; RUN: opt < %s -lowerswitch -S | FileCheck %s +; CHECK-NOT: icmp eq i32 %0, 1 + +define i32 @foo(i32 %a) #0 { +entry: + %retval = alloca i32, align 4 + %a.addr = alloca i32, align 4 + store i32 %a, i32* %a.addr, align 4 + %0 = load i32* %a.addr, align 4 + switch i32 %0, label %sw.default [ + i32 0, label %sw.bb + i32 1, label %sw.bb1 + i32 2, label %sw.bb2 + ] + +sw.bb: + ret i32 12 + +sw.bb1: + ret i32 4 + +sw.bb2: + ret i32 2 + +sw.default: + ret i32 9 +} diff --git a/test/Transforms/LowerSwitch/2014-06-11-SwitchDefaultUnreachableOpt.ll b/test/Transforms/LowerSwitch/2014-06-11-SwitchDefaultUnreachableOpt.ll new file mode 100644 index 0000000..0f73721 --- /dev/null +++ b/test/Transforms/LowerSwitch/2014-06-11-SwitchDefaultUnreachableOpt.ll @@ -0,0 +1,41 @@ +; RUN: opt < %s -lowerswitch -S | FileCheck %s +; CHECK-NOT: {{.*}}icmp eq{{.*}} +; +;int foo(int a) { +; +; switch (a) { +; case 0: +; return 10; +; case 1: +; return 3; +; default: +; __builtin_unreachable(); +; } +; +;} + +define i32 @foo(i32 %a) nounwind ssp uwtable { + %1 = alloca i32, align 4 + %2 = alloca i32, align 4 + store i32 %a, i32* %2, align 4 + %3 = load i32* %2, align 4 + switch i32 %3, label %6 [ + i32 0, label %4 + i32 1, label %5 + ] + +; <label>:4 + store i32 10, i32* %1 + br label %7 + +; <label>:5 + store i32 3, i32* %1 + br label %7 + +; <label>:6 + unreachable + +; <label>:7 + %8 = load i32* %1 + ret i32 %8 +} diff --git a/test/Transforms/LowerSwitch/feature.ll b/test/Transforms/LowerSwitch/feature.ll index e85f03e..09d25f0 100644 --- a/test/Transforms/LowerSwitch/feature.ll +++ b/test/Transforms/LowerSwitch/feature.ll @@ -3,93 +3,57 @@ ; We have switch on input. ; On output we should got binary comparison tree. Check that all is fine. -;CHECK: entry: -;CHECK-NEXT: br label %NodeBlock37 +;CHECK: entry: +;CHECK-NEXT: br label %NodeBlock19 -;CHECK: NodeBlock37: ; preds = %entry -;CHECK-NEXT: %Pivot38 = icmp slt i32 %tmp158, 10 -;CHECK-NEXT: br i1 %Pivot38, label %NodeBlock13, label %NodeBlock35 +;CHECK: NodeBlock19: ; preds = %entry +;CHECK-NEXT: %Pivot20 = icmp slt i32 %tmp158, 10 +;CHECK-NEXT: br i1 %Pivot20, label %NodeBlock5, label %NodeBlock17 -;CHECK: NodeBlock35: ; preds = %NodeBlock37 -;CHECK-NEXT: %Pivot36 = icmp slt i32 %tmp158, 13 -;CHECK-NEXT: br i1 %Pivot36, label %NodeBlock23, label %NodeBlock33 +;CHECK: NodeBlock17: ; preds = %NodeBlock19 +;CHECK-NEXT: %Pivot18 = icmp slt i32 %tmp158, 13 +;CHECK-NEXT: br i1 %Pivot18, label %NodeBlock9, label %NodeBlock15 -;CHECK: NodeBlock33: ; preds = %NodeBlock35 -;CHECK-NEXT: %Pivot34 = icmp slt i32 %tmp158, 14 -;CHECK-NEXT: br i1 %Pivot34, label %LeafBlock25, label %NodeBlock31 +;CHECK: NodeBlock15: ; preds = %NodeBlock17 +;CHECK-NEXT: %Pivot16 = icmp slt i32 %tmp158, 14 +;CHECK-NEXT: br i1 %Pivot16, label %bb330, label %NodeBlock13 -;CHECK: NodeBlock31: ; preds = %NodeBlock33 -;CHECK-NEXT: %Pivot32 = icmp slt i32 %tmp158, 15 -;CHECK-NEXT: br i1 %Pivot32, label %LeafBlock27, label %LeafBlock29 +;CHECK: NodeBlock13: ; preds = %NodeBlock15 +;CHECK-NEXT: %Pivot14 = icmp slt i32 %tmp158, 15 +;CHECK-NEXT: br i1 %Pivot14, label %bb332, label %LeafBlock11 -;CHECK: LeafBlock29: ; preds = %NodeBlock31 -;CHECK-NEXT: %SwitchLeaf30 = icmp eq i32 %tmp158, 15 -;CHECK-NEXT: br i1 %SwitchLeaf30, label %bb334, label %NewDefault +;CHECK: LeafBlock11: ; preds = %NodeBlock13 +;CHECK-NEXT: %SwitchLeaf12 = icmp eq i32 %tmp158, 15 +;CHECK-NEXT: br i1 %SwitchLeaf12, label %bb334, label %NewDefault -;CHECK: LeafBlock27: ; preds = %NodeBlock31 -;CHECK-NEXT: %SwitchLeaf28 = icmp eq i32 %tmp158, 14 -;CHECK-NEXT: br i1 %SwitchLeaf28, label %bb332, label %NewDefault +;CHECK: NodeBlock9: ; preds = %NodeBlock17 +;CHECK-NEXT: %Pivot10 = icmp slt i32 %tmp158, 11 +;CHECK-NEXT: br i1 %Pivot10, label %bb324, label %NodeBlock7 -;CHECK: LeafBlock25: ; preds = %NodeBlock33 -;CHECK-NEXT: %SwitchLeaf26 = icmp eq i32 %tmp158, 13 -;CHECK-NEXT: br i1 %SwitchLeaf26, label %bb330, label %NewDefault +;CHECK: NodeBlock7: ; preds = %NodeBlock9 +;CHECK-NEXT: %Pivot8 = icmp slt i32 %tmp158, 12 +;CHECK-NEXT: br i1 %Pivot8, label %bb326, label %bb328 -;CHECK: NodeBlock23: ; preds = %NodeBlock35 -;CHECK-NEXT: %Pivot24 = icmp slt i32 %tmp158, 11 -;CHECK-NEXT: br i1 %Pivot24, label %LeafBlock15, label %NodeBlock21 +;CHECK: NodeBlock5: ; preds = %NodeBlock19 +;CHECK-NEXT: %Pivot6 = icmp slt i32 %tmp158, 7 +;CHECK-NEXT: br i1 %Pivot6, label %NodeBlock, label %NodeBlock3 -;CHECK: NodeBlock21: ; preds = %NodeBlock23 -;CHECK-NEXT: %Pivot22 = icmp slt i32 %tmp158, 12 -;CHECK-NEXT: br i1 %Pivot22, label %LeafBlock17, label %LeafBlock19 +;CHECK: NodeBlock3: ; preds = %NodeBlock5 +;CHECK-NEXT: %Pivot4 = icmp slt i32 %tmp158, 8 +;CHECK-NEXT: br i1 %Pivot4, label %bb, label %NodeBlock1 -;CHECK: LeafBlock19: ; preds = %NodeBlock21 -;CHECK-NEXT: %SwitchLeaf20 = icmp eq i32 %tmp158, 12 -;CHECK-NEXT: br i1 %SwitchLeaf20, label %bb328, label %NewDefault +;CHECK: NodeBlock1: ; preds = %NodeBlock3 +;CHECK-NEXT: %Pivot2 = icmp slt i32 %tmp158, 9 +;CHECK-NEXT: br i1 %Pivot2, label %bb338, label %bb322 -;CHECK: LeafBlock17: ; preds = %NodeBlock21 -;CHECK-NEXT: %SwitchLeaf18 = icmp eq i32 %tmp158, 11 -;CHECK-NEXT: br i1 %SwitchLeaf18, label %bb326, label %NewDefault +;CHECK: NodeBlock: ; preds = %NodeBlock5 +;CHECK-NEXT: %Pivot = icmp slt i32 %tmp158, 0 +;CHECK-NEXT: br i1 %Pivot, label %LeafBlock, label %bb338 -;CHECK: LeafBlock15: ; preds = %NodeBlock23 -;CHECK-NEXT: %SwitchLeaf16 = icmp eq i32 %tmp158, 10 -;CHECK-NEXT: br i1 %SwitchLeaf16, label %bb324, label %NewDefault - -;CHECK: NodeBlock13: ; preds = %NodeBlock37 -;CHECK-NEXT: %Pivot14 = icmp slt i32 %tmp158, 7 -;CHECK-NEXT: br i1 %Pivot14, label %NodeBlock, label %NodeBlock11 - -;CHECK: NodeBlock11: ; preds = %NodeBlock13 -;CHECK-NEXT: %Pivot12 = icmp slt i32 %tmp158, 8 -;CHECK-NEXT: br i1 %Pivot12, label %LeafBlock3, label %NodeBlock9 - -;CHECK: NodeBlock9: ; preds = %NodeBlock11 -;CHECK-NEXT: %Pivot10 = icmp slt i32 %tmp158, 9 -;CHECK-NEXT: br i1 %Pivot10, label %LeafBlock5, label %LeafBlock7 - -;CHECK: LeafBlock7: ; preds = %NodeBlock9 -;CHECK-NEXT: %SwitchLeaf8 = icmp eq i32 %tmp158, 9 -;CHECK-NEXT: br i1 %SwitchLeaf8, label %bb322, label %NewDefault - -;CHECK: LeafBlock5: ; preds = %NodeBlock9 -;CHECK-NEXT: %SwitchLeaf6 = icmp eq i32 %tmp158, 8 -;CHECK-NEXT: br i1 %SwitchLeaf6, label %bb338, label %NewDefault - -;CHECK: LeafBlock3: ; preds = %NodeBlock11 -;CHECK-NEXT: %SwitchLeaf4 = icmp eq i32 %tmp158, 7 -;CHECK-NEXT: br i1 %SwitchLeaf4, label %bb, label %NewDefault - -;CHECK: NodeBlock: ; preds = %NodeBlock13 -;CHECK-NEXT: %Pivot = icmp slt i32 %tmp158, 0 -;CHECK-NEXT: br i1 %Pivot, label %LeafBlock, label %LeafBlock1 - -;CHECK: LeafBlock1: ; preds = %NodeBlock -;CHECK-NEXT: %SwitchLeaf2 = icmp ule i32 %tmp158, 6 -;CHECK-NEXT: br i1 %SwitchLeaf2, label %bb338, label %NewDefault - -;CHECK: LeafBlock: ; preds = %NodeBlock -;CHECK-NEXT: %tmp158.off = add i32 %tmp158, 6 -;CHECK-NEXT: %SwitchLeaf = icmp ule i32 %tmp158.off, 4 -;CHECK-NEXT: br i1 %SwitchLeaf, label %bb338, label %NewDefault +;CHECK: LeafBlock: ; preds = %NodeBlock +;CHECK-NEXT: %tmp158.off = add i32 %tmp158, 6 +;CHECK-NEXT: %SwitchLeaf = icmp ule i32 %tmp158.off, 4 +;CHECK-NEXT: br i1 %SwitchLeaf, label %bb338, label %NewDefault define i32 @main(i32 %tmp158) { entry: |