; RUN: opt --opaque-pointers -loop-load-elim -S < %s | FileCheck %s ; Don't crash if the store and the load use different types. ; ; for (unsigned i = 0; i < 100; i++) { ; A[i+1] = B[i] + 2; ; C[i] = ((float*)A)[i] * 2; ; } target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" ; CHECK-LABEL: @f( define void @f(ptr noalias %A, ptr noalias %B, ptr noalias %C, i64 %N) { entry: br label %for.body for.body: ; preds = %for.body, %entry %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 %Aidx_next = getelementptr inbounds i32, ptr %A, i64 %indvars.iv.next %Bidx = getelementptr inbounds i32, ptr %B, i64 %indvars.iv %Cidx = getelementptr inbounds i32, ptr %C, i64 %indvars.iv %Aidx = getelementptr inbounds i32, ptr %A, i64 %indvars.iv %b = load i32, ptr %Bidx, align 4 %a_p1 = add i32 %b, 2 store i32 %a_p1, ptr %Aidx_next, align 4 ; CHECK: %a = load float, ptr %Aidx, align 4 %a = load float, ptr %Aidx, align 4 ; CHECK-NEXT: %c = fmul float %a, 2.0 %c = fmul float %a, 2.0 %c.int = fptosi float %c to i32 store i32 %c.int, ptr %Cidx, align 4 %exitcond = icmp eq i64 %indvars.iv.next, %N br i1 %exitcond, label %for.end, label %for.body for.end: ; preds = %for.body ret void } ; Don't crash if the store and the load use different types. ; ; for (unsigned i = 0; i < 100; i++) { ; A[i+1] = B[i] + 2; ; A[i+1] = B[i] + 3; ; C[i] = ((float*)A)[i] * 2; ; } ; CHECK-LABEL: @f2( define void @f2(ptr noalias %A, ptr noalias %B, ptr noalias %C, i64 %N) { entry: br label %for.body for.body: ; preds = %for.body, %entry %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 %Aidx_next = getelementptr inbounds i32, ptr %A, i64 %indvars.iv.next %Bidx = getelementptr inbounds i32, ptr %B, i64 %indvars.iv %Cidx = getelementptr inbounds i32, ptr %C, i64 %indvars.iv %Aidx = getelementptr inbounds i32, ptr %A, i64 %indvars.iv %b = load i32, ptr %Bidx, align 4 %a_p2 = add i32 %b, 2 store i32 %a_p2, ptr %Aidx_next, align 4 %a_p3 = add i32 %b, 3 store i32 %a_p3, ptr %Aidx_next, align 4 ; CHECK: %a = load float, ptr %Aidx, align 4 %a = load float, ptr %Aidx, align 4 ; CHECK-NEXT: %c = fmul float %a, 2.0 %c = fmul float %a, 2.0 %c.int = fptosi float %c to i32 store i32 %c.int, ptr %Cidx, align 4 %exitcond = icmp eq i64 %indvars.iv.next, %N br i1 %exitcond, label %for.end, label %for.body for.end: ; preds = %for.body ret void }