238 lines
6.5 KiB
LLVM
238 lines
6.5 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-attributes
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; RUN: opt < %s -loop-deletion -verify-dom-info -S | FileCheck %s
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;; Original C Code:
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;; void unknown_tripcount_mustprogress_attr_mustprogress_loopmd(int a, int b) {
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;; for (; a < b;) ;
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;; for (;;) ;
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;; }
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define void @unknown_tripcount_mustprogress_attr_mustprogress_loopmd(i32 %a, i32 %b) #0 {
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; CHECK: Function Attrs: mustprogress
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; CHECK-LABEL: define {{[^@]+}}@unknown_tripcount_mustprogress_attr_mustprogress_loopmd
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; CHECK-SAME: (i32 [[A:%.*]], i32 [[B:%.*]]) [[ATTR0:#.*]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br label [[FOR_END:%.*]]
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; CHECK: for.end:
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; CHECK-NEXT: unreachable
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;
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entry:
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br label %for.cond
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for.cond:
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%cmp = icmp slt i32 %a, %b
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br i1 %cmp, label %for.body, label %for.end
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for.body:
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br label %for.cond, !llvm.loop !2
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for.end:
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br label %for.cond1
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for.cond1:
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br label %for.cond1
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}
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;; Original C Code:
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;; void unknown_tripcount_mustprogress_attr_no_mustprogress_loopmd(int a, int b) {
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;; for (; a < b;) ;
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;; for (;;) ;
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;; }
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;; => Removed mustprogress loop attribute
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define void @unknown_tripcount_mustprogress_attr_no_mustprogess_loopmd(i32 %a, i32 %b) #0 {
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; CHECK: Function Attrs: mustprogress
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; CHECK-LABEL: define {{[^@]+}}@unknown_tripcount_mustprogress_attr_no_mustprogess_loopmd
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; CHECK-SAME: (i32 [[A:%.*]], i32 [[B:%.*]]) [[ATTR0]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br label [[FOR_END:%.*]]
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; CHECK: for.end:
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; CHECK-NEXT: unreachable
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;
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entry:
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br label %for.cond
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for.cond:
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%cmp = icmp slt i32 %a, %b
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br i1 %cmp, label %for.body, label %for.end
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for.body:
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br label %for.cond
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for.end:
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br label %for.cond1
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for.cond1:
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br label %for.cond1
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}
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;; Original C Code:
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;; void known_tripcount_no_mustprogress_attr_no_mustprogress_loopmd() {
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;; for (int i = 0; i < 5; i++) ;
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;; }
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define void @known_tripcount_no_mustprogress_attr_no_mustprogress_loopmd() {
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; CHECK-LABEL: define {{[^@]+}}@known_tripcount_no_mustprogress_attr_no_mustprogress_loopmd() {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br label [[FOR_END:%.*]]
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; CHECK: for.end:
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; CHECK-NEXT: ret void
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;
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entry:
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br label %for.cond
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for.cond:
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%i.0 = phi i32 [ 0, %entry ], [ %inc, %for.inc ]
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%cmp = icmp slt i32 %i.0, 5
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br i1 %cmp, label %for.body, label %for.end
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for.body:
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br label %for.inc
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for.inc:
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%inc = add nsw i32 %i.0, 1
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br label %for.cond
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for.end:
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ret void
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}
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;; Original C Code:
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;; void known_tripcount_no_mustprogress_attr_mustprogress_loopmd() {
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;; for (int i = 0; i < 5; i++) ;
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;; }
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;; => Added mustprogress loop attribute
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define void @known_tripcount_no_mustprogress_attr_mustprogress_loopmd() {
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; CHECK-LABEL: define {{[^@]+}}@known_tripcount_no_mustprogress_attr_mustprogress_loopmd() {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br label [[FOR_END:%.*]]
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; CHECK: for.end:
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; CHECK-NEXT: ret void
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;
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entry:
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br label %for.cond
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for.cond:
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%i.0 = phi i32 [ 0, %entry ], [ %inc, %for.inc ]
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%cmp = icmp slt i32 %i.0, 5
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br i1 %cmp, label %for.body, label %for.end
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for.body:
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br label %for.inc
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for.inc:
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%inc = add nsw i32 %i.0, 1
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br label %for.cond, !llvm.loop !4
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for.end:
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ret void
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}
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;; Original C Code:
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;; void known_tripcount_mustprogress_attr_no_mustprogress_loopmd() {
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;; for (int i = 0; i < 5; i++) ;
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;; }
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;; => Added mustprogress function attribute
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define void @known_tripcount_mustprogress_attr_no_mustprogress_loopmd() #0 {
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; CHECK: Function Attrs: mustprogress
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; CHECK-LABEL: define {{[^@]+}}@known_tripcount_mustprogress_attr_no_mustprogress_loopmd
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; CHECK-SAME: () [[ATTR0]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br label [[FOR_END:%.*]]
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; CHECK: for.end:
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; CHECK-NEXT: ret void
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;
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entry:
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br label %for.cond
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for.cond:
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%i.0 = phi i32 [ 0, %entry ], [ %inc, %for.inc ]
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%cmp = icmp slt i32 %i.0, 5
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br i1 %cmp, label %for.body, label %for.end
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for.body:
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br label %for.inc
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for.inc:
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%inc = add nsw i32 %i.0, 1
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br label %for.cond
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for.end:
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ret void
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}
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;; Original C Code:
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;; void known_tripcount_mustprogress_attr_mustprogress_loopmd() {
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;; for (int i = 0; i < 5; i++) ;
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;; }
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;; => Added mustprogress function and mustprogress loop attribute
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define void @known_tripcount_mustprogress_attr_mustprogress_loopmd() #0 {
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; CHECK: Function Attrs: mustprogress
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; CHECK-LABEL: define {{[^@]+}}@known_tripcount_mustprogress_attr_mustprogress_loopmd
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; CHECK-SAME: () [[ATTR0]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br label [[FOR_END:%.*]]
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; CHECK: for.end:
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; CHECK-NEXT: ret void
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;
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entry:
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br label %for.cond
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for.cond:
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%i.0 = phi i32 [ 0, %entry ], [ %inc, %for.inc ]
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%cmp = icmp slt i32 %i.0, 5
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br i1 %cmp, label %for.body, label %for.end
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for.body:
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br label %for.inc
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for.inc:
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%inc = add nsw i32 %i.0, 1
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br label %for.cond, !llvm.loop !5
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for.end:
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ret void
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}
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;; Original C Code:
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;; void unknown_tripcount_no_mustprogress_attr_mustprogress_loopmd(int a, int b) {
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;; for (; a < b;) ;
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;; }
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;; => Added mustprogress loop attribute
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define void @unknown_tripcount_no_mustprogress_attr_mustprogress_loopmd(i32 %a, i32 %b) {
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; CHECK-LABEL: define {{[^@]+}}@unknown_tripcount_no_mustprogress_attr_mustprogress_loopmd
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; CHECK-SAME: (i32 [[A:%.*]], i32 [[B:%.*]]) {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br label [[FOR_END:%.*]]
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; CHECK: for.end:
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; CHECK-NEXT: ret void
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;
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entry:
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br label %for.cond
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for.cond:
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%cmp = icmp slt i32 %a, %b
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br i1 %cmp, label %for.body, label %for.end
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for.body:
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br label %for.cond, !llvm.loop !6
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for.end:
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ret void
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}
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;; Original C Code:
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;; void unknown_tripcount_no_mustprogress_attr_no_mustprogress_loopmd(int a, int b) {
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;; for (; a < b;) ;
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;; }
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define void @unknown_tripcount_no_mustprogress_attr_no_mustprogress_loopmd(i32 %a, i32 %b) {
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; CHECK-LABEL: define {{[^@]+}}@unknown_tripcount_no_mustprogress_attr_no_mustprogress_loopmd
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; CHECK-SAME: (i32 [[A:%.*]], i32 [[B:%.*]]) {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br label [[FOR_COND:%.*]]
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; CHECK: for.cond:
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; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[A]], [[B]]
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; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY:%.*]], label [[FOR_END:%.*]]
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; CHECK: for.body:
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; CHECK-NEXT: br label [[FOR_COND]]
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; CHECK: for.end:
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; CHECK-NEXT: ret void
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;
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entry:
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br label %for.cond
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for.cond:
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%cmp = icmp slt i32 %a, %b
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br i1 %cmp, label %for.body, label %for.end
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for.body:
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br label %for.cond
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for.end:
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ret void
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}
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; CHECK: attributes [[ATTR0]] = { mustprogress }
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attributes #0 = { mustprogress }
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!2 = distinct !{!2, !3}
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!3 = !{!"llvm.loop.mustprogress"}
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!4 = distinct !{!4, !3}
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!5 = distinct !{!5, !3}
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!6 = distinct !{!6, !3}
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