forked from OSchip/llvm-project
[Test] Auto-update test checks
This commit is contained in:
Max Kazantsev
parent
71b648f715
commit
8396aeb07c
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@ -1,331 +1,472 @@
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -basic-aa -gvn -S | FileCheck %s
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@a = external global i32 ; <i32*> [#uses=7]
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; CHECK-LABEL: @test1(
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define i32 @test1() nounwind {
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; CHECK-LABEL: @test1(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[TMP0:%.*]] = load i32, i32* @a, align 4
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; CHECK-NEXT: [[TMP1:%.*]] = icmp eq i32 [[TMP0]], 4
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; CHECK-NEXT: br i1 [[TMP1]], label [[BB:%.*]], label [[BB1:%.*]]
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; CHECK: bb:
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; CHECK-NEXT: br label [[BB8:%.*]]
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; CHECK: bb1:
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; CHECK-NEXT: [[TMP2:%.*]] = icmp eq i32 [[TMP0]], 5
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; CHECK-NEXT: br i1 [[TMP2]], label [[BB2:%.*]], label [[BB3:%.*]]
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; CHECK: bb2:
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; CHECK-NEXT: br label [[BB8]]
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; CHECK: bb3:
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; CHECK-NEXT: br i1 false, label [[BB4:%.*]], label [[BB5:%.*]]
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; CHECK: bb4:
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; CHECK-NEXT: [[TMP3:%.*]] = load i32, i32* @a, align 4
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; CHECK-NEXT: [[TMP4:%.*]] = add i32 [[TMP3]], 5
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; CHECK-NEXT: br label [[BB8]]
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; CHECK: bb5:
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; CHECK-NEXT: br i1 false, label [[BB6:%.*]], label [[BB7:%.*]]
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; CHECK: bb6:
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; CHECK-NEXT: [[TMP5:%.*]] = load i32, i32* @a, align 4
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; CHECK-NEXT: [[TMP6:%.*]] = add i32 [[TMP5]], 4
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; CHECK-NEXT: br label [[BB8]]
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; CHECK: bb7:
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; CHECK-NEXT: br label [[BB8]]
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; CHECK: bb8:
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; CHECK-NEXT: [[DOT0:%.*]] = phi i32 [ [[TMP0]], [[BB7]] ], [ undef, [[BB6]] ], [ undef, [[BB4]] ], [ 4, [[BB2]] ], [ 5, [[BB]] ]
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; CHECK-NEXT: ret i32 [[DOT0]]
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;
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entry:
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%0 = load i32, i32* @a, align 4
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%1 = icmp eq i32 %0, 4
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br i1 %1, label %bb, label %bb1
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%0 = load i32, i32* @a, align 4
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%1 = icmp eq i32 %0, 4
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br i1 %1, label %bb, label %bb1
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bb: ; preds = %entry
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br label %bb8
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br label %bb8
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bb1: ; preds = %entry
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%2 = load i32, i32* @a, align 4
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%3 = icmp eq i32 %2, 5
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br i1 %3, label %bb2, label %bb3
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%2 = load i32, i32* @a, align 4
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%3 = icmp eq i32 %2, 5
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br i1 %3, label %bb2, label %bb3
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bb2: ; preds = %bb1
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br label %bb8
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br label %bb8
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bb3: ; preds = %bb1
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%4 = load i32, i32* @a, align 4
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%5 = icmp eq i32 %4, 4
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; CHECK: br i1 false, label %bb4, label %bb5
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br i1 %5, label %bb4, label %bb5
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%4 = load i32, i32* @a, align 4
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%5 = icmp eq i32 %4, 4
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br i1 %5, label %bb4, label %bb5
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bb4: ; preds = %bb3
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%6 = load i32, i32* @a, align 4
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%7 = add i32 %6, 5
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br label %bb8
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%6 = load i32, i32* @a, align 4
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%7 = add i32 %6, 5
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br label %bb8
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bb5: ; preds = %bb3
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%8 = load i32, i32* @a, align 4
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%9 = icmp eq i32 %8, 5
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; CHECK: br i1 false, label %bb6, label %bb7
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br i1 %9, label %bb6, label %bb7
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%8 = load i32, i32* @a, align 4
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%9 = icmp eq i32 %8, 5
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br i1 %9, label %bb6, label %bb7
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bb6: ; preds = %bb5
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%10 = load i32, i32* @a, align 4
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%11 = add i32 %10, 4
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br label %bb8
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%10 = load i32, i32* @a, align 4
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%11 = add i32 %10, 4
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br label %bb8
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bb7: ; preds = %bb5
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%12 = load i32, i32* @a, align 4
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br label %bb8
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%12 = load i32, i32* @a, align 4
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br label %bb8
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bb8: ; preds = %bb7, %bb6, %bb4, %bb2, %bb
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%.0 = phi i32 [ %12, %bb7 ], [ %11, %bb6 ], [ %7, %bb4 ], [ 4, %bb2 ], [ 5, %bb ]
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br label %return
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%.0 = phi i32 [ %12, %bb7 ], [ %11, %bb6 ], [ %7, %bb4 ], [ 4, %bb2 ], [ 5, %bb ]
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br label %return
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return: ; preds = %bb8
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ret i32 %.0
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ret i32 %.0
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}
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declare void @foo(i1)
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declare void @bar(i32)
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; CHECK-LABEL: @test3(
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define void @test3(i32 %x, i32 %y) {
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; CHECK-LABEL: @test3(
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; CHECK-NEXT: [[XZ:%.*]] = icmp eq i32 [[X:%.*]], 0
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; CHECK-NEXT: [[YZ:%.*]] = icmp eq i32 [[Y:%.*]], 0
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; CHECK-NEXT: [[Z:%.*]] = and i1 [[XZ]], [[YZ]]
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; CHECK-NEXT: br i1 [[Z]], label [[BOTH_ZERO:%.*]], label [[NOPE:%.*]]
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; CHECK: both_zero:
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; CHECK-NEXT: call void @foo(i1 true)
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; CHECK-NEXT: call void @foo(i1 true)
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; CHECK-NEXT: call void @bar(i32 0)
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; CHECK-NEXT: call void @bar(i32 0)
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; CHECK-NEXT: ret void
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; CHECK: nope:
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; CHECK-NEXT: call void @foo(i1 false)
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; CHECK-NEXT: ret void
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;
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%xz = icmp eq i32 %x, 0
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%yz = icmp eq i32 %y, 0
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%z = and i1 %xz, %yz
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br i1 %z, label %both_zero, label %nope
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both_zero:
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call void @foo(i1 %xz)
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; CHECK: call void @foo(i1 true)
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call void @foo(i1 %yz)
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; CHECK: call void @foo(i1 true)
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call void @bar(i32 %x)
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; CHECK: call void @bar(i32 0)
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call void @bar(i32 %y)
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; CHECK: call void @bar(i32 0)
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ret void
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nope:
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call void @foo(i1 %z)
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; CHECK: call void @foo(i1 false)
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ret void
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}
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; CHECK-LABEL: @test3_select(
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define void @test3_select(i32 %x, i32 %y) {
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; CHECK-LABEL: @test3_select(
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; CHECK-NEXT: [[XZ:%.*]] = icmp eq i32 [[X:%.*]], 0
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; CHECK-NEXT: [[YZ:%.*]] = icmp eq i32 [[Y:%.*]], 0
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; CHECK-NEXT: [[Z:%.*]] = select i1 [[XZ]], i1 [[YZ]], i1 false
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; CHECK-NEXT: br i1 [[Z]], label [[BOTH_ZERO:%.*]], label [[NOPE:%.*]]
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; CHECK: both_zero:
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; CHECK-NEXT: call void @foo(i1 true)
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; CHECK-NEXT: call void @foo(i1 true)
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; CHECK-NEXT: call void @bar(i32 0)
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; CHECK-NEXT: call void @bar(i32 0)
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; CHECK-NEXT: ret void
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; CHECK: nope:
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; CHECK-NEXT: call void @foo(i1 false)
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; CHECK-NEXT: ret void
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;
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%xz = icmp eq i32 %x, 0
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%yz = icmp eq i32 %y, 0
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%z = select i1 %xz, i1 %yz, i1 false
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br i1 %z, label %both_zero, label %nope
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both_zero:
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call void @foo(i1 %xz)
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; CHECK: call void @foo(i1 true)
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call void @foo(i1 %yz)
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; CHECK: call void @foo(i1 true)
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call void @bar(i32 %x)
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; CHECK: call void @bar(i32 0)
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call void @bar(i32 %y)
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; CHECK: call void @bar(i32 0)
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ret void
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nope:
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call void @foo(i1 %z)
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; CHECK: call void @foo(i1 false)
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ret void
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}
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; CHECK-LABEL: @test3_or(
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define void @test3_or(i32 %x, i32 %y) {
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; CHECK-LABEL: @test3_or(
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; CHECK-NEXT: [[XZ:%.*]] = icmp ne i32 [[X:%.*]], 0
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; CHECK-NEXT: [[YZ:%.*]] = icmp ne i32 [[Y:%.*]], 0
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; CHECK-NEXT: [[Z:%.*]] = or i1 [[XZ]], [[YZ]]
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; CHECK-NEXT: br i1 [[Z]], label [[NOPE:%.*]], label [[BOTH_ZERO:%.*]]
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; CHECK: both_zero:
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; CHECK-NEXT: call void @foo(i1 false)
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; CHECK-NEXT: call void @foo(i1 false)
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; CHECK-NEXT: call void @bar(i32 0)
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; CHECK-NEXT: call void @bar(i32 0)
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; CHECK-NEXT: ret void
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; CHECK: nope:
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; CHECK-NEXT: call void @foo(i1 true)
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; CHECK-NEXT: ret void
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;
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%xz = icmp ne i32 %x, 0
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%yz = icmp ne i32 %y, 0
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%z = or i1 %xz, %yz
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br i1 %z, label %nope, label %both_zero
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both_zero:
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call void @foo(i1 %xz)
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; CHECK: call void @foo(i1 false)
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call void @foo(i1 %yz)
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; CHECK: call void @foo(i1 false)
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call void @bar(i32 %x)
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; CHECK: call void @bar(i32 0)
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call void @bar(i32 %y)
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; CHECK: call void @bar(i32 0)
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ret void
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nope:
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call void @foo(i1 %z)
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; CHECK: call void @foo(i1 true)
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ret void
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}
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; CHECK-LABEL: @test3_or_select(
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define void @test3_or_select(i32 %x, i32 %y) {
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; CHECK-LABEL: @test3_or_select(
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; CHECK-NEXT: [[XZ:%.*]] = icmp ne i32 [[X:%.*]], 0
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; CHECK-NEXT: [[YZ:%.*]] = icmp ne i32 [[Y:%.*]], 0
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; CHECK-NEXT: [[Z:%.*]] = select i1 [[XZ]], i1 true, i1 [[YZ]]
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; CHECK-NEXT: br i1 [[Z]], label [[NOPE:%.*]], label [[BOTH_ZERO:%.*]]
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; CHECK: both_zero:
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; CHECK-NEXT: call void @foo(i1 false)
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; CHECK-NEXT: call void @foo(i1 false)
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; CHECK-NEXT: call void @bar(i32 0)
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; CHECK-NEXT: call void @bar(i32 0)
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; CHECK-NEXT: ret void
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; CHECK: nope:
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; CHECK-NEXT: call void @foo(i1 true)
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; CHECK-NEXT: ret void
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;
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%xz = icmp ne i32 %x, 0
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%yz = icmp ne i32 %y, 0
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%z = select i1 %xz, i1 true, i1 %yz
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br i1 %z, label %nope, label %both_zero
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both_zero:
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call void @foo(i1 %xz)
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; CHECK: call void @foo(i1 false)
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call void @foo(i1 %yz)
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; CHECK: call void @foo(i1 false)
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call void @bar(i32 %x)
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; CHECK: call void @bar(i32 0)
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call void @bar(i32 %y)
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; CHECK: call void @bar(i32 0)
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ret void
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nope:
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call void @foo(i1 %z)
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; CHECK: call void @foo(i1 true)
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ret void
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}
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; CHECK-LABEL: @test4(
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define void @test4(i1 %b, i32 %x) {
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; CHECK-LABEL: @test4(
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; CHECK-NEXT: br i1 [[B:%.*]], label [[SW:%.*]], label [[CASE3:%.*]]
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; CHECK: sw:
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; CHECK-NEXT: switch i32 [[X:%.*]], label [[DEFAULT:%.*]] [
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; CHECK-NEXT: i32 0, label [[CASE0:%.*]]
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; CHECK-NEXT: i32 1, label [[CASE1:%.*]]
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; CHECK-NEXT: i32 2, label [[CASE0]]
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; CHECK-NEXT: i32 3, label [[CASE3]]
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; CHECK-NEXT: i32 4, label [[DEFAULT]]
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; CHECK-NEXT: ]
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; CHECK: default:
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; CHECK-NEXT: call void @bar(i32 [[X]])
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; CHECK-NEXT: ret void
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; CHECK: case0:
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; CHECK-NEXT: call void @bar(i32 [[X]])
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; CHECK-NEXT: ret void
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; CHECK: case1:
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; CHECK-NEXT: call void @bar(i32 1)
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; CHECK-NEXT: ret void
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; CHECK: case3:
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; CHECK-NEXT: call void @bar(i32 [[X]])
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; CHECK-NEXT: ret void
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;
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br i1 %b, label %sw, label %case3
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sw:
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switch i32 %x, label %default [
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i32 0, label %case0
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i32 1, label %case1
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i32 2, label %case0
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i32 3, label %case3
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i32 4, label %default
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i32 0, label %case0
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i32 1, label %case1
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i32 2, label %case0
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i32 3, label %case3
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i32 4, label %default
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]
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default:
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; CHECK: default:
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call void @bar(i32 %x)
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; CHECK: call void @bar(i32 %x)
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ret void
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case0:
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; CHECK: case0:
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call void @bar(i32 %x)
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; CHECK: call void @bar(i32 %x)
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ret void
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case1:
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; CHECK: case1:
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call void @bar(i32 %x)
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; CHECK: call void @bar(i32 1)
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ret void
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case3:
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; CHECK: case3:
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call void @bar(i32 %x)
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; CHECK: call void @bar(i32 %x)
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ret void
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}
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; CHECK-LABEL: @test5(
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define i1 @test5(i32 %x, i32 %y) {
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; CHECK-LABEL: @test5(
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; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[X:%.*]], [[Y:%.*]]
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; CHECK-NEXT: br i1 [[CMP]], label [[SAME:%.*]], label [[DIFFERENT:%.*]]
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; CHECK: same:
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; CHECK-NEXT: ret i1 false
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; CHECK: different:
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; CHECK-NEXT: ret i1 false
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;
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%cmp = icmp eq i32 %x, %y
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br i1 %cmp, label %same, label %different
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same:
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%cmp2 = icmp ne i32 %x, %y
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; CHECK: ret i1 false
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ret i1 %cmp2
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different:
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%cmp3 = icmp eq i32 %x, %y
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; CHECK: ret i1 false
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ret i1 %cmp3
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}
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; CHECK-LABEL: @test6(
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define i1 @test6(i32 %x, i32 %y) {
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; CHECK-LABEL: @test6(
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; CHECK-NEXT: [[CMP2:%.*]] = icmp ne i32 [[X:%.*]], [[Y:%.*]]
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; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[X]], [[Y]]
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; CHECK-NEXT: br i1 [[CMP]], label [[SAME:%.*]], label [[DIFFERENT:%.*]]
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; CHECK: same:
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; CHECK-NEXT: ret i1 false
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; CHECK: different:
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; CHECK-NEXT: ret i1 false
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;
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%cmp2 = icmp ne i32 %x, %y
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%cmp = icmp eq i32 %x, %y
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%cmp3 = icmp eq i32 %x, %y
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br i1 %cmp, label %same, label %different
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same:
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; CHECK: ret i1 false
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ret i1 %cmp2
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different:
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; CHECK: ret i1 false
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ret i1 %cmp3
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}
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; CHECK-LABEL: @test6_fp(
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define i1 @test6_fp(float %x, float %y) {
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; CHECK-LABEL: @test6_fp(
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; CHECK-NEXT: [[CMP2:%.*]] = fcmp une float [[X:%.*]], [[Y:%.*]]
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; CHECK-NEXT: [[CMP:%.*]] = fcmp oeq float [[X]], [[Y]]
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; CHECK-NEXT: br i1 [[CMP]], label [[SAME:%.*]], label [[DIFFERENT:%.*]]
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; CHECK: same:
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; CHECK-NEXT: ret i1 false
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; CHECK: different:
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; CHECK-NEXT: ret i1 false
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;
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%cmp2 = fcmp une float %x, %y
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%cmp = fcmp oeq float %x, %y
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%cmp3 = fcmp oeq float %x, %y
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br i1 %cmp, label %same, label %different
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same:
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; CHECK: ret i1 false
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ret i1 %cmp2
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different:
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; CHECK: ret i1 false
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ret i1 %cmp3
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}
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; CHECK-LABEL: @test7(
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define i1 @test7(i32 %x, i32 %y) {
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; CHECK-LABEL: @test7(
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; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i32 [[X:%.*]], [[Y:%.*]]
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; CHECK-NEXT: br i1 [[CMP]], label [[SAME:%.*]], label [[DIFFERENT:%.*]]
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; CHECK: same:
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; CHECK-NEXT: ret i1 false
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; CHECK: different:
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; CHECK-NEXT: ret i1 false
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;
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%cmp = icmp sgt i32 %x, %y
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br i1 %cmp, label %same, label %different
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same:
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%cmp2 = icmp sle i32 %x, %y
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; CHECK: ret i1 false
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ret i1 %cmp2
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different:
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%cmp3 = icmp sgt i32 %x, %y
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; CHECK: ret i1 false
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ret i1 %cmp3
|
||||
}
|
||||
|
||||
; CHECK-LABEL: @test7_fp(
|
||||
define i1 @test7_fp(float %x, float %y) {
|
||||
; CHECK-LABEL: @test7_fp(
|
||||
; CHECK-NEXT: [[CMP:%.*]] = fcmp ogt float [[X:%.*]], [[Y:%.*]]
|
||||
; CHECK-NEXT: br i1 [[CMP]], label [[SAME:%.*]], label [[DIFFERENT:%.*]]
|
||||
; CHECK: same:
|
||||
; CHECK-NEXT: ret i1 false
|
||||
; CHECK: different:
|
||||
; CHECK-NEXT: ret i1 false
|
||||
;
|
||||
%cmp = fcmp ogt float %x, %y
|
||||
br i1 %cmp, label %same, label %different
|
||||
|
||||
same:
|
||||
%cmp2 = fcmp ule float %x, %y
|
||||
; CHECK: ret i1 false
|
||||
ret i1 %cmp2
|
||||
|
||||
different:
|
||||
%cmp3 = fcmp ogt float %x, %y
|
||||
; CHECK: ret i1 false
|
||||
ret i1 %cmp3
|
||||
}
|
||||
|
||||
; CHECK-LABEL: @test8(
|
||||
define i1 @test8(i32 %x, i32 %y) {
|
||||
; CHECK-LABEL: @test8(
|
||||
; CHECK-NEXT: [[CMP2:%.*]] = icmp sle i32 [[X:%.*]], [[Y:%.*]]
|
||||
; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i32 [[X]], [[Y]]
|
||||
; CHECK-NEXT: br i1 [[CMP]], label [[SAME:%.*]], label [[DIFFERENT:%.*]]
|
||||
; CHECK: same:
|
||||
; CHECK-NEXT: ret i1 false
|
||||
; CHECK: different:
|
||||
; CHECK-NEXT: ret i1 false
|
||||
;
|
||||
%cmp2 = icmp sle i32 %x, %y
|
||||
%cmp = icmp sgt i32 %x, %y
|
||||
%cmp3 = icmp sgt i32 %x, %y
|
||||
br i1 %cmp, label %same, label %different
|
||||
|
||||
same:
|
||||
; CHECK: ret i1 false
|
||||
ret i1 %cmp2
|
||||
|
||||
different:
|
||||
; CHECK: ret i1 false
|
||||
ret i1 %cmp3
|
||||
}
|
||||
|
||||
; CHECK-LABEL: @test8_fp(
|
||||
define i1 @test8_fp(float %x, float %y) {
|
||||
; CHECK-LABEL: @test8_fp(
|
||||
; CHECK-NEXT: [[CMP2:%.*]] = fcmp ule float [[X:%.*]], [[Y:%.*]]
|
||||
; CHECK-NEXT: [[CMP:%.*]] = fcmp ogt float [[X]], [[Y]]
|
||||
; CHECK-NEXT: br i1 [[CMP]], label [[SAME:%.*]], label [[DIFFERENT:%.*]]
|
||||
; CHECK: same:
|
||||
; CHECK-NEXT: ret i1 false
|
||||
; CHECK: different:
|
||||
; CHECK-NEXT: ret i1 false
|
||||
;
|
||||
%cmp2 = fcmp ule float %x, %y
|
||||
%cmp = fcmp ogt float %x, %y
|
||||
%cmp3 = fcmp ogt float %x, %y
|
||||
br i1 %cmp, label %same, label %different
|
||||
|
||||
same:
|
||||
; CHECK: ret i1 false
|
||||
ret i1 %cmp2
|
||||
|
||||
different:
|
||||
; CHECK: ret i1 false
|
||||
ret i1 %cmp3
|
||||
}
|
||||
|
||||
; PR1768
|
||||
; CHECK-LABEL: @test9(
|
||||
define i32 @test9(i32 %i, i32 %j) {
|
||||
; CHECK-LABEL: @test9(
|
||||
; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[I:%.*]], [[J:%.*]]
|
||||
; CHECK-NEXT: br i1 [[CMP]], label [[COND_TRUE:%.*]], label [[RET:%.*]]
|
||||
; CHECK: cond_true:
|
||||
; CHECK-NEXT: ret i32 0
|
||||
; CHECK: ret:
|
||||
; CHECK-NEXT: ret i32 5
|
||||
;
|
||||
%cmp = icmp eq i32 %i, %j
|
||||
br i1 %cmp, label %cond_true, label %ret
|
||||
|
||||
cond_true:
|
||||
%diff = sub i32 %i, %j
|
||||
ret i32 %diff
|
||||
; CHECK: ret i32 0
|
||||
|
||||
ret:
|
||||
ret i32 5
|
||||
; CHECK: ret i32 5
|
||||
}
|
||||
|
||||
; PR1768
|
||||
; CHECK-LABEL: @test10(
|
||||
define i32 @test10(i32 %j, i32 %i) {
|
||||
; CHECK-LABEL: @test10(
|
||||
; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[I:%.*]], [[J:%.*]]
|
||||
; CHECK-NEXT: br i1 [[CMP]], label [[COND_TRUE:%.*]], label [[RET:%.*]]
|
||||
; CHECK: cond_true:
|
||||
; CHECK-NEXT: ret i32 0
|
||||
; CHECK: ret:
|
||||
; CHECK-NEXT: ret i32 5
|
||||
;
|
||||
%cmp = icmp eq i32 %i, %j
|
||||
br i1 %cmp, label %cond_true, label %ret
|
||||
|
||||
cond_true:
|
||||
%diff = sub i32 %i, %j
|
||||
ret i32 %diff
|
||||
; CHECK: ret i32 0
|
||||
|
||||
ret:
|
||||
ret i32 5
|
||||
; CHECK: ret i32 5
|
||||
}
|
||||
|
||||
declare i32 @yogibar()
|
||||
|
||||
; CHECK-LABEL: @test11(
|
||||
define i32 @test11(i32 %x) {
|
||||
; CHECK-LABEL: @test11(
|
||||
; CHECK-NEXT: [[V0:%.*]] = call i32 @yogibar()
|
||||
; CHECK-NEXT: [[V1:%.*]] = call i32 @yogibar()
|
||||
; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[V0]], [[V1]]
|
||||
; CHECK-NEXT: br i1 [[CMP]], label [[COND_TRUE:%.*]], label [[NEXT:%.*]]
|
||||
; CHECK: cond_true:
|
||||
; CHECK-NEXT: ret i32 [[V0]]
|
||||
; CHECK: next:
|
||||
; CHECK-NEXT: [[CMP2:%.*]] = icmp eq i32 [[X:%.*]], [[V0]]
|
||||
; CHECK-NEXT: br i1 [[CMP2]], label [[COND_TRUE2:%.*]], label [[NEXT2:%.*]]
|
||||
; CHECK: cond_true2:
|
||||
; CHECK-NEXT: ret i32 [[X]]
|
||||
; CHECK: next2:
|
||||
; CHECK-NEXT: ret i32 0
|
||||
;
|
||||
%v0 = call i32 @yogibar()
|
||||
%v1 = call i32 @yogibar()
|
||||
%cmp = icmp eq i32 %v0, %v1
|
||||
|
|
@ -333,7 +474,6 @@ define i32 @test11(i32 %x) {
|
|||
|
||||
cond_true:
|
||||
ret i32 %v1
|
||||
; CHECK: ret i32 %v0
|
||||
|
||||
next:
|
||||
%cmp2 = icmp eq i32 %x, %v0
|
||||
|
|
@ -341,14 +481,23 @@ next:
|
|||
|
||||
cond_true2:
|
||||
ret i32 %v0
|
||||
; CHECK: ret i32 %x
|
||||
|
||||
next2:
|
||||
ret i32 0
|
||||
}
|
||||
|
||||
; CHECK-LABEL: @test12(
|
||||
define i32 @test12(i32 %x) {
|
||||
; CHECK-LABEL: @test12(
|
||||
; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[X:%.*]], 0
|
||||
; CHECK-NEXT: br i1 [[CMP]], label [[COND_TRUE:%.*]], label [[COND_FALSE:%.*]]
|
||||
; CHECK: cond_true:
|
||||
; CHECK-NEXT: br label [[RET:%.*]]
|
||||
; CHECK: cond_false:
|
||||
; CHECK-NEXT: br label [[RET]]
|
||||
; CHECK: ret:
|
||||
; CHECK-NEXT: [[RES:%.*]] = phi i32 [ 0, [[COND_TRUE]] ], [ [[X]], [[COND_FALSE]] ]
|
||||
; CHECK-NEXT: ret i32 [[RES]]
|
||||
;
|
||||
%cmp = icmp eq i32 %x, 0
|
||||
br i1 %cmp, label %cond_true, label %cond_false
|
||||
|
||||
|
|
@ -360,33 +509,44 @@ cond_false:
|
|||
|
||||
ret:
|
||||
%res = phi i32 [ %x, %cond_true ], [ %x, %cond_false ]
|
||||
; CHECK: %res = phi i32 [ 0, %cond_true ], [ %x, %cond_false ]
|
||||
ret i32 %res
|
||||
}
|
||||
|
||||
; On the path from entry->if->end we know that ptr1==ptr2, so we can determine
|
||||
; that gep2 does not alias ptr1 on that path (as it would require that
|
||||
; ptr2==ptr2+2), so we can perform PRE of the load.
|
||||
; CHECK-LABEL: @test13
|
||||
define i32 @test13(i32* %ptr1, i32* %ptr2) {
|
||||
; CHECK-LABEL: entry:
|
||||
; CHECK-LABEL: @test13(
|
||||
; CHECK-NEXT: entry:
|
||||
; CHECK-NEXT: [[GEP1:%.*]] = getelementptr i32, i32* [[PTR2:%.*]], i32 1
|
||||
; CHECK-NEXT: [[GEP2:%.*]] = getelementptr i32, i32* [[PTR2]], i32 2
|
||||
; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32* [[PTR1:%.*]], [[PTR2]]
|
||||
; CHECK-NEXT: br i1 [[CMP]], label [[IF:%.*]], label [[ENTRY_END_CRIT_EDGE:%.*]]
|
||||
; CHECK: entry.end_crit_edge:
|
||||
; CHECK-NEXT: [[VAL2_PRE:%.*]] = load i32, i32* [[GEP2]], align 4
|
||||
; CHECK-NEXT: br label [[END:%.*]]
|
||||
; CHECK: if:
|
||||
; CHECK-NEXT: [[VAL1:%.*]] = load i32, i32* [[GEP2]], align 4
|
||||
; CHECK-NEXT: br label [[END]]
|
||||
; CHECK: end:
|
||||
; CHECK-NEXT: [[VAL2:%.*]] = phi i32 [ [[VAL1]], [[IF]] ], [ [[VAL2_PRE]], [[ENTRY_END_CRIT_EDGE]] ]
|
||||
; CHECK-NEXT: [[PHI1:%.*]] = phi i32* [ [[PTR2]], [[IF]] ], [ [[GEP1]], [[ENTRY_END_CRIT_EDGE]] ]
|
||||
; CHECK-NEXT: [[PHI2:%.*]] = phi i32 [ [[VAL1]], [[IF]] ], [ 0, [[ENTRY_END_CRIT_EDGE]] ]
|
||||
; CHECK-NEXT: store i32 0, i32* [[PHI1]], align 4
|
||||
; CHECK-NEXT: [[RET:%.*]] = add i32 [[PHI2]], [[VAL2]]
|
||||
; CHECK-NEXT: ret i32 [[RET]]
|
||||
;
|
||||
entry:
|
||||
%gep1 = getelementptr i32, i32* %ptr2, i32 1
|
||||
%gep2 = getelementptr i32, i32* %ptr2, i32 2
|
||||
%cmp = icmp eq i32* %ptr1, %ptr2
|
||||
br i1 %cmp, label %if, label %end
|
||||
|
||||
; CHECK: [[CRIT_EDGE:.*]]:
|
||||
; CHECK: %[[PRE:.*]] = load i32, i32* %gep2, align 4
|
||||
|
||||
; CHECK-LABEL: if:
|
||||
if:
|
||||
%val1 = load i32, i32* %gep2, align 4
|
||||
br label %end
|
||||
|
||||
; CHECK-LABEL: end:
|
||||
; CHECK: %val2 = phi i32 [ %val1, %if ], [ %[[PRE]], %[[CRIT_EDGE]] ]
|
||||
; CHECK-NOT: load
|
||||
end:
|
||||
%phi1 = phi i32* [ %ptr1, %if ], [ %gep1, %entry ]
|
||||
%phi2 = phi i32 [ %val1, %if ], [ 0, %entry ]
|
||||
|
|
@ -396,31 +556,49 @@ end:
|
|||
ret i32 %ret
|
||||
}
|
||||
|
||||
; CHECK-LABEL: @test14
|
||||
define void @test14(i32* %ptr1, i32* noalias %ptr2) {
|
||||
; CHECK-LABEL: @test14(
|
||||
; CHECK-NEXT: entry:
|
||||
; CHECK-NEXT: [[GEP1:%.*]] = getelementptr inbounds i32, i32* [[PTR1:%.*]], i32 1
|
||||
; CHECK-NEXT: [[GEP2:%.*]] = getelementptr inbounds i32, i32* [[PTR1]], i32 2
|
||||
; CHECK-NEXT: br label [[LOOP:%.*]]
|
||||
; CHECK: loop:
|
||||
; CHECK-NEXT: br i1 undef, label [[LOOP_IF1_CRIT_EDGE:%.*]], label [[THEN:%.*]]
|
||||
; CHECK: loop.if1_crit_edge:
|
||||
; CHECK-NEXT: [[VAL2_PRE:%.*]] = load i32, i32* [[GEP2]], align 4
|
||||
; CHECK-NEXT: br label [[IF1:%.*]]
|
||||
; CHECK: if1:
|
||||
; CHECK-NEXT: [[VAL2:%.*]] = phi i32 [ [[VAL2_PRE]], [[LOOP_IF1_CRIT_EDGE]] ], [ [[VAL3:%.*]], [[LOOP_END:%.*]] ]
|
||||
; CHECK-NEXT: store i32 [[VAL2]], i32* [[GEP2]], align 4
|
||||
; CHECK-NEXT: store i32 0, i32* [[GEP1]], align 4
|
||||
; CHECK-NEXT: br label [[THEN]]
|
||||
; CHECK: then:
|
||||
; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32* [[GEP2]], [[PTR2:%.*]]
|
||||
; CHECK-NEXT: br i1 [[CMP]], label [[LOOP_END]], label [[IF2:%.*]]
|
||||
; CHECK: if2:
|
||||
; CHECK-NEXT: br label [[LOOP_END]]
|
||||
; CHECK: loop.end:
|
||||
; CHECK-NEXT: [[PHI3:%.*]] = phi i32* [ [[PTR2]], [[THEN]] ], [ [[PTR1]], [[IF2]] ]
|
||||
; CHECK-NEXT: [[VAL3]] = load i32, i32* [[GEP2]], align 4
|
||||
; CHECK-NEXT: store i32 [[VAL3]], i32* [[PHI3]], align 4
|
||||
; CHECK-NEXT: br i1 undef, label [[LOOP]], label [[IF1]]
|
||||
;
|
||||
entry:
|
||||
%gep1 = getelementptr inbounds i32, i32* %ptr1, i32 1
|
||||
%gep2 = getelementptr inbounds i32, i32* %ptr1, i32 2
|
||||
br label %loop
|
||||
|
||||
; CHECK-LABEL: loop:
|
||||
loop:
|
||||
%phi1 = phi i32* [ %gep3, %loop.end ], [ %gep1, %entry ]
|
||||
br i1 undef, label %if1, label %then
|
||||
|
||||
; CHECK: [[CRIT_EDGE:.*]]:
|
||||
; CHECK: %[[PRE:.*]] = load i32, i32* %gep2, align 4
|
||||
|
||||
; CHECK-LABEL: if1:
|
||||
; CHECK: %val2 = phi i32 [ %[[PRE]], %[[CRIT_EDGE]] ], [ %val3, %loop.end ]
|
||||
; CHECK-NOT: load
|
||||
if1:
|
||||
%val2 = load i32, i32* %gep2, align 4
|
||||
store i32 %val2, i32* %gep2, align 4
|
||||
store i32 0, i32* %phi1, align 4
|
||||
br label %then
|
||||
|
||||
; CHECK-LABEL: then:
|
||||
then:
|
||||
%cmp = icmp eq i32* %gep2, %ptr2
|
||||
br i1 %cmp, label %loop.end, label %if2
|
||||
|
|
|
|||
Loading…
Reference in New Issue