forked from OSchip/llvm-project
69 lines
2.9 KiB
LLVM
69 lines
2.9 KiB
LLVM
; RUN: opt < %s -pgo-instr-gen -instrprof -do-counter-promotion=true -S | FileCheck --check-prefix=PROMO --check-prefix=NONATOMIC_PROMO %s
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; RUN: opt < %s --passes=pgo-instr-gen,instrprof -do-counter-promotion=true -S | FileCheck --check-prefix=PROMO --check-prefix=NONATOMIC_PROMO %s
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; RUN: opt < %s -pgo-instr-gen -instrprof -do-counter-promotion=true -atomic-counter-update-promoted -S | FileCheck --check-prefix=PROMO --check-prefix=ATOMIC_PROMO %s
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; RUN: opt < %s --passes=pgo-instr-gen,instrprof -do-counter-promotion=true -atomic-counter-update-promoted -S | FileCheck --check-prefix=PROMO --check-prefix=ATOMIC_PROMO %s
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define void @foo(i32 %n, i32 %N) {
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; PROMO-LABEL: @foo
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bb:
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%tmp = add nsw i32 %n, 1
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%tmp1 = add nsw i32 %n, -1
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br label %bb2
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bb2: ; preds = %bb9, %bb
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; PROMO: phi {{.*}}
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; PROMO-NEXT: phi {{.*}}
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; PROMO-NEXT: phi {{.*}}
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; PROMO-NEXT: phi {{.*}}
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%i.0 = phi i32 [ 0, %bb ], [ %tmp10, %bb9 ]
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%tmp3 = icmp slt i32 %i.0, %tmp
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br i1 %tmp3, label %bb4, label %bb5
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bb4: ; preds = %bb2
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tail call void @bar(i32 1)
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br label %bb9
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bb5: ; preds = %bb2
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%tmp6 = icmp slt i32 %i.0, %tmp1
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br i1 %tmp6, label %bb7, label %bb8
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bb7: ; preds = %bb5
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tail call void @bar(i32 2)
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br label %bb9
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bb8: ; preds = %bb5
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tail call void @bar(i32 3)
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br label %bb9
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bb9: ; preds = %bb8, %bb7, %bb4
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; PROMO: %[[LIVEOUT3:[a-z0-9]+]] = phi {{.*}}
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; PROMO-NEXT: %[[LIVEOUT2:[a-z0-9]+]] = phi {{.*}}
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; PROMO-NEXT: %[[LIVEOUT1:[a-z0-9]+]] = phi {{.*}}
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%tmp10 = add nsw i32 %i.0, 1
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%tmp11 = icmp slt i32 %tmp10, %N
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br i1 %tmp11, label %bb2, label %bb12
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bb12: ; preds = %bb9
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ret void
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; NONATOMIC_PROMO: %[[PROMO1:[a-z0-9.]+]] = load {{.*}} @__profc_foo{{.*}} 0)
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; NONATOMIC_PROMO-NEXT: add {{.*}} %[[PROMO1]], %[[LIVEOUT1]]
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; NONATOMIC_PROMO-NEXT: store {{.*}}@__profc_foo{{.*}}0)
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; NONATOMIC_PROMO-NEXT: %[[PROMO2:[a-z0-9.]+]] = load {{.*}} @__profc_foo{{.*}} 1)
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; NONATOMIC_PROMO-NEXT: add {{.*}} %[[PROMO2]], %[[LIVEOUT2]]
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; NONATOMIC_PROMO-NEXT: store {{.*}}@__profc_foo{{.*}}1)
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; NONATOMIC_PROMO-NEXT: %[[PROMO3:[a-z0-9.]+]] = load {{.*}} @__profc_foo{{.*}} 2)
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; NONATOMIC_PROMO-NEXT: add {{.*}} %[[PROMO3]], %[[LIVEOUT3]]
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; NONATOMIC_PROMO-NEXT: store {{.*}}@__profc_foo{{.*}}2)
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; ATOMIC_PROMO: atomicrmw add {{.*}} @__profc_foo{{.*}}0), i64 %[[LIVEOUT1]] seq_cst
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; ATOMIC_PROMO-NEXT: atomicrmw add {{.*}} @__profc_foo{{.*}}1), i64 %[[LIVEOUT2]] seq_cst
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; ATOMIC_PROMO-NEXT: atomicrmw add {{.*}} @__profc_foo{{.*}}2), i64 %[[LIVEOUT3]] seq_cst
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; PROMO: {{.*}} = load {{.*}} @__profc_foo{{.*}} 3)
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; PROMO-NEXT: add
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; PROMO-NEXT: store {{.*}}@__profc_foo{{.*}}3)
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; PROMO-NOT: @__profc_foo
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}
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declare void @bar(i32)
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