fix sparse test (#1199)

Author: wsmoses

enzyme/test/Enzyme/Sparse/indir.ll

@@ -1,44 +1,46 @@
-; RUN: %opt < %s %loadEnzyme -enzyme -instcombine -S | FileCheck %s
-; RUN: %opt < %s %newLoadEnzyme -passes="enzyme,instcombine" -S | FileCheck %s
+; RUN: %opt < %s %loadEnzyme -enzyme -instsimplify -S | FileCheck %s
+; RUN: %opt < %s %newLoadEnzyme -passes="enzyme,function(instsimplify)" -S | FileCheck %s
 
 declare dso_local double @_Z5loadel(i64 %l)
 
 declare dso_local void @_Z6storerld(i64 %l, double %v)
 
 ; Function Attrs: uwtable mustprogress
 define dso_local double @_Z4testv() {
-  %1 = call double* @_Z16__enzyme_todensePvS_(i8* bitcast (double (i64)* @_Z5loadel to i8*), i8* bitcast (void (i64, double)* @_Z6storerld to i8*))
-  br label %3
+entry:
+  %td = call double* @_Z16__enzyme_todensePvS_(i8* bitcast (double (i64)* @_Z5loadel to i8*), i8* bitcast (void (i64, double)* @_Z6storerld to i8*))
+  br label %loop
 
-2:                                                ; preds = %3
-  ret double %12
+rb:                                                ; preds = %3
+  ret double %a12
 
-3:                                                ; preds = %0, %3
-  %4 = phi i64 [ 0, %0 ], [ %13, %3 ]
-  %5 = phi double [ 0.000000e+00, %0 ], [ %12, %3 ]
-  %6 = mul nuw nsw i64 %4, 1000
-  %7 = getelementptr inbounds double, double* %1, i64 %6
-  %8 = load double, double* %7, align 8
-  %9 = fadd double %5, %8
-  %10 = getelementptr inbounds double, double* %7, i64 1
-  %11 = load double, double* %10, align 8
-  %12 = fadd double %9, %11
-  %13 = add nuw nsw i64 %4, 1
-  %14 = icmp eq i64 %13, 10000
-  br i1 %14, label %2, label %3
+loop:                                                ; preds = %0, %3
+  %a4 = phi i64 [ 0, %entry ], [ %a13, %loop ]
+  %a5 = phi double [ 0.000000e+00, %entry ], [ %a12, %loop ]
+  %a6 = mul nuw nsw i64 %a4, 1000
+  %a7 = getelementptr inbounds double, double* %td, i64 %a6
+  %a8 = load double, double* %a7, align 8
+  %a9 = fadd double %a5, %a8
+  %a10 = getelementptr inbounds double, double* %a7, i64 1
+  %a11 = load double, double* %a10, align 8
+  %a12 = fadd double %a9, %a11
+  %a13 = add nuw nsw i64 %a4, 1
+  %a14 = icmp eq i64 %a13, 10000
+  br i1 %a14, label %rb, label %loop
 }
 
 declare dso_local double* @_Z16__enzyme_todensePvS_(i8*, i8*) 
 
 ; CHECK: define dso_local double @_Z4testv() {
-; CHECK:   %3 = phi i64 [ 0, %0 ], [ %11, %2 ]
-; CHECK-NEXT:   %4 = phi double [ 0.000000e+00, %0 ], [ %10, %2 ]
-; CHECK-NEXT:   %5 = mul nuw i64 %3, 8000
-; CHECK-NEXT:   %6 = call double @_Z5loadel(i64 %5)
-; CHECK-NEXT:   %7 = fadd double %4, %6
-; CHECK-NEXT:   %8 = or i64 %5, 8
-; CHECK-NEXT:   %9 = call double @_Z5loadel(i64 %8)
-; CHECK-NEXT:   %10 = fadd double %7, %9
-; CHECK-NEXT:   %11 = add nuw nsw i64 %3, 1
-; CHECK-NEXT:   %12 = icmp eq i64 %11, 10000
-; CHECK-NEXT:   br i1 %12, label %1, label %2
+; CHECK:   %a4 = phi i64 [ 0, %entry ], [ %a13, %loop ]
+; CHECK-NEXT:   %a5 = phi double [ 0.000000e+00, %entry ], [ %a12, %loop ]
+; CHECK-NEXT:   %a6 = mul nuw nsw i64 %a4, 1000
+; CHECK-NEXT:   %0 = mul nuw nsw i64 %a6, 8
+; CHECK-NEXT:   %1 = call double @_Z5loadel(i64 %0)
+; CHECK-NEXT:   %a9 = fadd double %a5, %1
+; CHECK-NEXT:   %2 = add i64 %0, 8
+; CHECK-NEXT:   %3 = call double @_Z5loadel(i64 %2)
+; CHECK-NEXT:   %a12 = fadd double %a9, %3
+; CHECK-NEXT:   %a13 = add nuw nsw i64 %a4, 1
+; CHECK-NEXT:   %a14 = icmp eq i64 %a13, 10000
+; CHECK-NEXT:   br i1 %a14, label %rb, label %loop