| ; RUN: opt -loop-vectorize -force-vector-width=2 -S %s | FileCheck %s |
| |
| %s1 = type { [32000 x double], [32000 x double], [32000 x double] } |
| |
| define i32 @load_with_pointer_phi_no_runtime_checks(%s1* %data) { |
| ; CHECK-LABEL: @load_with_pointer_phi_no_runtime_checks |
| ; CHECK-NOT: memcheck |
| ; CHECK: vector.body: |
| ; |
| entry: |
| br label %loop.header |
| |
| loop.header: ; preds = %loop.latch, %entry |
| %iv = phi i64 [ 0, %entry ], [ %iv.next, %loop.latch ] |
| %iv.next = add nuw nsw i64 %iv, 1 |
| %cmp5 = icmp ult i64 %iv, 15999 |
| %arrayidx = getelementptr inbounds %s1, %s1 * %data, i64 0, i32 0, i64 %iv |
| br i1 %cmp5, label %if.then, label %if.else |
| |
| if.then: ; preds = %loop.header |
| %gep.1 = getelementptr inbounds %s1, %s1* %data, i64 0, i32 1, i64 %iv |
| br label %loop.latch |
| |
| if.else: ; preds = %loop.header |
| %gep.2 = getelementptr inbounds %s1, %s1* %data, i64 0, i32 2, i64 %iv |
| br label %loop.latch |
| |
| loop.latch: ; preds = %if.else, %if.then |
| %gep.2.sink = phi double* [ %gep.2, %if.else ], [ %gep.1, %if.then ] |
| %v8 = load double, double* %gep.2.sink, align 8 |
| %mul16 = fmul double 3.0, %v8 |
| store double %mul16, double* %arrayidx, align 8 |
| %exitcond.not = icmp eq i64 %iv.next, 32000 |
| br i1 %exitcond.not, label %exit, label %loop.header |
| |
| exit: ; preds = %loop.latch |
| ret i32 10 |
| } |
| |
| define i32 @store_with_pointer_phi_no_runtime_checks(%s1* %data) { |
| ; CHECK-LABEL: @store_with_pointer_phi_no_runtime_checks |
| ; CHECK-NOT: memcheck |
| ; CHECK: vector.body |
| ; |
| entry: |
| br label %loop.header |
| |
| loop.header: ; preds = %loop.latch, %entry |
| %iv = phi i64 [ 0, %entry ], [ %iv.next, %loop.latch ] |
| %iv.next = add nuw nsw i64 %iv, 1 |
| %cmp5 = icmp ult i64 %iv, 15999 |
| %arrayidx = getelementptr inbounds %s1, %s1 * %data, i64 0, i32 0, i64 %iv |
| br i1 %cmp5, label %if.then, label %if.else |
| |
| if.then: ; preds = %loop.header |
| %gep.1 = getelementptr inbounds %s1, %s1* %data, i64 0, i32 1, i64 %iv |
| br label %loop.latch |
| |
| if.else: ; preds = %loop.header |
| %gep.2 = getelementptr inbounds %s1, %s1* %data, i64 0, i32 2, i64 %iv |
| br label %loop.latch |
| |
| loop.latch: ; preds = %if.else, %if.then |
| %gep.2.sink = phi double* [ %gep.2, %if.else ], [ %gep.1, %if.then ] |
| %v8 = load double, double* %arrayidx, align 8 |
| %mul16 = fmul double 3.0, %v8 |
| store double %mul16, double* %gep.2.sink, align 8 |
| %exitcond.not = icmp eq i64 %iv.next, 32000 |
| br i1 %exitcond.not, label %exit, label %loop.header |
| |
| exit: ; preds = %loop.latch |
| ret i32 10 |
| } |
| |
| define i32 @store_with_pointer_phi_runtime_checks(double* %A, double* %B, double* %C) { |
| ; CHECK-LABEL: @store_with_pointer_phi_runtime_checks |
| ; CHECK: memcheck |
| ; CHECK: vector.body |
| ; |
| entry: |
| br label %loop.header |
| |
| loop.header: ; preds = %loop.latch, %entry |
| %iv = phi i64 [ 0, %entry ], [ %iv.next, %loop.latch ] |
| %iv.next = add nuw nsw i64 %iv, 1 |
| %cmp5 = icmp ult i64 %iv, 15999 |
| %arrayidx = getelementptr inbounds double, double* %A, i64 %iv |
| br i1 %cmp5, label %if.then, label %if.else |
| |
| if.then: ; preds = %loop.header |
| %gep.1 = getelementptr inbounds double, double* %B, i64 %iv |
| br label %loop.latch |
| |
| if.else: ; preds = %loop.header |
| %gep.2 = getelementptr inbounds double, double* %C, i64 %iv |
| br label %loop.latch |
| |
| loop.latch: ; preds = %if.else, %if.then |
| %gep.2.sink = phi double* [ %gep.2, %if.else ], [ %gep.1, %if.then ] |
| %v8 = load double, double* %arrayidx, align 8 |
| %mul16 = fmul double 3.0, %v8 |
| store double %mul16, double* %gep.2.sink, align 8 |
| %exitcond.not = icmp eq i64 %iv.next, 32000 |
| br i1 %exitcond.not, label %exit, label %loop.header |
| |
| exit: ; preds = %loop.latch |
| ret i32 10 |
| } |
| |
| define i32 @load_with_pointer_phi_outside_loop(double* %A, double* %B, double* %C, i1 %c.0, i1 %c.1) { |
| ; CHECK-LABEL: @load_with_pointer_phi_outside_loop |
| ; CHECK-NOT: vector.body |
| ; |
| entry: |
| br i1 %c.0, label %if.then, label %if.else |
| |
| if.then: |
| br label %loop.ph |
| |
| if.else: |
| %ptr.select = select i1 %c.1, double* %C, double* %B |
| br label %loop.ph |
| |
| loop.ph: |
| %ptr = phi double* [ %A, %if.then ], [ %ptr.select, %if.else ] |
| br label %loop.header |
| |
| loop.header: ; preds = %loop.latch, %entry |
| %iv = phi i64 [ 0, %loop.ph ], [ %iv.next, %loop.header ] |
| %iv.next = add nuw nsw i64 %iv, 1 |
| %arrayidx = getelementptr inbounds double, double* %A, i64 %iv |
| %v8 = load double, double* %ptr, align 8 |
| %mul16 = fmul double 3.0, %v8 |
| store double %mul16, double* %arrayidx, align 8 |
| %exitcond.not = icmp eq i64 %iv.next, 32000 |
| br i1 %exitcond.not, label %exit, label %loop.header |
| |
| exit: ; preds = %loop.latch |
| ret i32 10 |
| } |
| |
| define i32 @store_with_pointer_phi_outside_loop(double* %A, double* %B, double* %C, i1 %c.0, i1 %c.1) { |
| ; CHECK-LABEL: @store_with_pointer_phi_outside_loop |
| ; CHECK-NOT: vector.body |
| ; |
| entry: |
| br i1 %c.0, label %if.then, label %if.else |
| |
| if.then: |
| br label %loop.ph |
| |
| if.else: |
| %ptr.select = select i1 %c.1, double* %C, double* %B |
| br label %loop.ph |
| |
| loop.ph: |
| %ptr = phi double* [ %A, %if.then ], [ %ptr.select, %if.else ] |
| br label %loop.header |
| |
| loop.header: ; preds = %loop.latch, %entry |
| %iv = phi i64 [ 0, %loop.ph ], [ %iv.next, %loop.header ] |
| %iv.next = add nuw nsw i64 %iv, 1 |
| %arrayidx = getelementptr inbounds double, double* %A, i64 %iv |
| %v8 = load double, double* %arrayidx, align 8 |
| %mul16 = fmul double 3.0, %v8 |
| store double %mul16, double* %ptr, align 8 |
| %exitcond.not = icmp eq i64 %iv.next, 32000 |
| br i1 %exitcond.not, label %exit, label %loop.header |
| |
| exit: ; preds = %loop.latch |
| ret i32 10 |
| } |
