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https://github.com/RPCS3/llvm-mirror.git
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regenerate checks
llvm-svn: 264677
This commit is contained in:
Sanjay Patel
parent
c5fd22c12a
commit
f19d2c18af
@ -1,81 +1,104 @@
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; NOTE: Assertions have been autogenerated by update_test_checks.py
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; RUN: opt < %s -simplifycfg -S | FileCheck %s
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; CHECK-NOT: switch
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; Test normal folding
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define i32 @test1() {
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switch i32 5, label %Default [
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i32 0, label %Foo
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i32 1, label %Bar
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i32 2, label %Baz
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i32 5, label %TheDest
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]
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Default: ; preds = %0
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ret i32 -1
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Foo: ; preds = %0
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ret i32 -2
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Bar: ; preds = %0
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ret i32 -3
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Baz: ; preds = %0
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ret i32 -4
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TheDest: ; preds = %0
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ret i32 1234
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; CHECK-LABEL: @test1(
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; CHECK-NEXT: TheDest:
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; CHECK-NEXT: ret i32 1234
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;
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switch i32 5, label %Default [
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i32 0, label %Foo
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i32 1, label %Bar
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i32 2, label %Baz
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i32 5, label %TheDest
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]
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Default:
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ret i32 -1
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Foo:
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ret i32 -2
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Bar:
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ret i32 -3
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Baz:
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ret i32 -4
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TheDest:
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ret i32 1234
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}
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; Test folding to default dest
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define i32 @test2() {
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switch i32 3, label %Default [
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i32 0, label %Foo
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i32 1, label %Bar
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i32 2, label %Baz
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i32 5, label %TheDest
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]
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Default: ; preds = %0
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ret i32 1234
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Foo: ; preds = %0
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ret i32 -2
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Bar: ; preds = %0
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ret i32 -5
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Baz: ; preds = %0
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ret i32 -6
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TheDest: ; preds = %0
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ret i32 -8
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; CHECK-LABEL: @test2(
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; CHECK-NEXT: Default:
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; CHECK-NEXT: ret i32 1234
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;
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switch i32 3, label %Default [
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i32 0, label %Foo
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i32 1, label %Bar
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i32 2, label %Baz
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i32 5, label %TheDest
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]
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Default:
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ret i32 1234
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Foo:
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ret i32 -2
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Bar:
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ret i32 -5
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Baz:
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ret i32 -6
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TheDest:
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ret i32 -8
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}
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; Test folding all to same dest
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define i32 @test3(i1 %C) {
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br i1 %C, label %Start, label %TheDest
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; CHECK-LABEL: @test3(
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; CHECK-NEXT: TheDest:
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; CHECK-NEXT: ret i32 1234
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;
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br i1 %C, label %Start, label %TheDest
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Start: ; preds = %0
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switch i32 3, label %TheDest [
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i32 0, label %TheDest
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i32 1, label %TheDest
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i32 2, label %TheDest
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i32 5, label %TheDest
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]
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TheDest: ; preds = %Start, %Start, %Start, %Start, %Start, %0
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ret i32 1234
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switch i32 3, label %TheDest [
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i32 0, label %TheDest
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i32 1, label %TheDest
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i32 2, label %TheDest
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i32 5, label %TheDest
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]
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TheDest:
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ret i32 1234
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}
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; Test folding switch -> branch
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define i32 @test4(i32 %C) {
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switch i32 %C, label %L1 [
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i32 0, label %L2
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]
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L1: ; preds = %0
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ret i32 0
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L2: ; preds = %0
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ret i32 1
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; CHECK-LABEL: @test4(
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; CHECK-NEXT: L1:
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; CHECK-NEXT: [[COND:%.*]] = icmp eq i32 %C, 0
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; CHECK-NEXT: [[DOT:%.*]] = select i1 [[COND]], i32 1, i32 0
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; CHECK-NEXT: ret i32 [[DOT]]
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;
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switch i32 %C, label %L1 [
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i32 0, label %L2
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]
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L1:
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ret i32 0
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L2:
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ret i32 1
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}
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; Can fold into a cond branch!
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define i32 @test5(i32 %C) {
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switch i32 %C, label %L1 [
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i32 0, label %L2
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i32 123, label %L1
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]
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L1: ; preds = %0, %0
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ret i32 0
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L2: ; preds = %0
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ret i32 1
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; CHECK-LABEL: @test5(
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; CHECK-NEXT: L1:
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; CHECK-NEXT: [[COND:%.*]] = icmp eq i32 %C, 0
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; CHECK-NEXT: [[DOT:%.*]] = select i1 [[COND]], i32 1, i32 0
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; CHECK-NEXT: ret i32 [[DOT]]
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;
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switch i32 %C, label %L1 [
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i32 0, label %L2
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i32 123, label %L1
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]
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L1:
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ret i32 0
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L2:
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ret i32 1
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}
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@ -1,9 +1,13 @@
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; NOTE: Assertions have been autogenerated by update_test_checks.py
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; RUN: opt < %s -simplifycfg -S | FileCheck %s
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@b = extern_weak global i32
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define i32 @foo(i1 %y) {
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; CHECK: define i32 @foo(i1 %y) {
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; CHECK-LABEL: @foo(
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; CHECK: [[COND_I:%.*]] = phi i32 [ srem (i32 1, i32 zext (i1 icmp eq (i32* @b, i32* null) to i32)), %bb2 ], [ 0, %0 ]
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; CHECK-NEXT: ret i32 [[COND_I]]
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;
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br i1 %y, label %bb1, label %bb2
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bb1:
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br label %bb3
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@ -11,18 +15,19 @@ bb2:
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br label %bb3
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bb3:
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%cond.i = phi i32 [ 0, %bb1 ], [ srem (i32 1, i32 zext (i1 icmp eq (i32* @b, i32* null) to i32)), %bb2 ]
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; CHECK: phi i32 {{.*}} srem (i32 1, i32 zext (i1 icmp eq (i32* @b, i32* null) to i32)), %bb2
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ret i32 %cond.i
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}
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define i32 @foo2(i1 %x) {
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; CHECK: define i32 @foo2(i1 %x) {
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; CHECK-LABEL: @foo2(
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; CHECK: [[COND:%.*]] = phi i32 [ 0, %bb1 ], [ srem (i32 1, i32 zext (i1 icmp eq (i32* @b, i32* null) to i32)), %bb0 ]
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; CHECK-NEXT: ret i32 [[COND]]
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;
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bb0:
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br i1 %x, label %bb1, label %bb2
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bb1:
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br label %bb2
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bb2:
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%cond = phi i32 [ 0, %bb1 ], [ srem (i32 1, i32 zext (i1 icmp eq (i32* @b, i32* null) to i32)), %bb0 ]
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; CHECK: %cond = phi i32 [ 0, %bb1 ], [ srem (i32 1, i32 zext (i1 icmp eq (i32* @b, i32* null) to i32)), %bb0 ]
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ret i32 %cond
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}
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@ -1,24 +1,29 @@
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; NOTE: Assertions have been autogenerated by update_test_checks.py
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; Test merging of blocks that only have PHI nodes in them
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;
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; RUN: opt < %s -simplifycfg -S | FileCheck %s
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;
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define i32 @test(i1 %a, i1 %b) {
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br i1 %a, label %M, label %O
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; CHECK-LABEL: @test(
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; CHECK: M:
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; CHECK-NEXT: [[DOT:%.*]] = select i1 %b, i32 0, i32 1
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; CHECK-NEXT: [[W:%.*]] = select i1 %a, i32 2, i32 [[DOT]]
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; CHECK-NEXT: [[R:%.*]] = add i32 [[W]], 1
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; CHECK-NEXT: ret i32 [[R]]
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;
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br i1 %a, label %M, label %O
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O: ; preds = %0
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; CHECK: select i1 %b, i32 0, i32 1
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; CHECK-NOT: phi
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br i1 %b, label %N, label %Q
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br i1 %b, label %N, label %Q
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Q: ; preds = %O
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br label %N
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br label %N
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N: ; preds = %Q, %O
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; This block should be foldable into M
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%Wp = phi i32 [ 0, %O ], [ 1, %Q ] ; <i32> [#uses=1]
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br label %M
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; This block should be foldable into M
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%Wp = phi i32 [ 0, %O ], [ 1, %Q ] ; <i32> [#uses=1]
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br label %M
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M: ; preds = %N, %0
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%W = phi i32 [ %Wp, %N ], [ 2, %0 ] ; <i32> [#uses=1]
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%R = add i32 %W, 1 ; <i32> [#uses=1]
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ret i32 %R
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; CHECK: ret
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%W = phi i32 [ %Wp, %N ], [ 2, %0 ] ; <i32> [#uses=1]
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%R = add i32 %W, 1 ; <i32> [#uses=1]
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ret i32 %R
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}
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