diff --git a/llvm/test/VISC/parboil/benchmarks/mri-q/src/visc/visc_mri-q.ll b/llvm/test/VISC/parboil/benchmarks/mri-q/src/visc/visc_mri-q.ll
index e968340bd8abb4f68a7bac40f8226c227b123019..cd698d8e0b97127e5f75b9372017db7b9dd36e28 100644
--- a/llvm/test/VISC/parboil/benchmarks/mri-q/src/visc/visc_mri-q.ll
+++ b/llvm/test/VISC/parboil/benchmarks/mri-q/src/visc/visc_mri-q.ll
@@ -323,7 +323,7 @@ declare void @llvm.visc.bind.output(i8*, i32, i32)
 ; ----------------- VISC intrinsics end ------------------
 
 ; Function Attrs: noinline nounwind uwtable
-define void @computePhiMag_kernel(float* %phiR, i64 %bytes_phiR, float* %phiI, i64 %bytes_phiI, float* %phiMag, i64 %bytes_phiMag, i32 %numK) #4 {
+define void @computePhiMag_kernel(float* in %phiR, i64 %bytes_phiR, float* in %phiI, i64 %bytes_phiI, float* out %phiMag, i64 %bytes_phiMag, i32 %numK) #4 {
   %1 = alloca float*, align 8
   %2 = alloca i64, align 8
   %3 = alloca float*, align 8
@@ -341,7 +341,23 @@ define void @computePhiMag_kernel(float* %phiR, i64 %bytes_phiR, float* %phiI, i
   store float* %phiMag, float** %5, align 8
   store i64 %bytes_phiMag, i64* %6, align 8
   store i32 %numK, i32* %7, align 4
-  %8 = call i32 (i32, ...)* bitcast (i32 (...)* @get_global_id to i32 (i32, ...)*)(i32 0)
+  
+  ; ------------------------- VISC changes ------------------
+  ; Replace get_global_id call with call to getNode followed by getNumNodeInstances.x
+  ; Replaced statement -- 
+  ; -- %8 = call i32 (i32, ...)* bitcast (i32 (...)* @get_global_id to i32 (i32, ...)*)(i32 0)
+  %this_node = call i8* @llvm.visc.getNode()
+  %L = call i32 @llvm.visc.getNodeInstanceID.x(i8* %this_node)
+  %LLimit = call i32 @llvm.visc.getNumNodeInstances.x(i8* %this_node)
+
+  %parent_node = call i8* @llvm.visc.getParentNode(i8* %this_node)
+  %G = call i32 @llvm.visc.getNodeInstanceID.x(i8* %parent_node)
+
+  %tmp = mul i32 %G, %LLimit
+  %8 = add i32 %tmp, %L
+
+  ;%8 = call i32 (i32, ...)* bitcast (i32 (...)* @get_global_id to i32 (i32, ...)*)(i32 0)
+  ; ---------------------- VISC changes End ------------------
   store i32 %8, i32* %indexK, align 4
   %9 = load i32* %indexK, align 4
   %10 = load i32* %7, align 4
@@ -379,7 +395,14 @@ define void @computePhiMag_kernel(float* %phiR, i64 %bytes_phiR, float* %phiI, i
   ret void
 }
 
-declare i32 @get_global_id(...) #1
+define void @computePhiMagi_internal(float* in %phiR, i64 %bytes_phiR, float* in %phiI, i64 %bytes_phiI, float* out %phiMag, i64 %bytes_phiMag, i32 %numK, i64 %DimPhiMagBlock) {
+
+}
+
+define void @computePhiMagi_root(float* in %phiR, i64 %bytes_phiR, float* in %phiI, i64 %bytes_phiI, float* out %phiMag, i64 %bytes_phiMag, i32 %numK, i64 %DimPhiMagBlock, i64 %DimPhiMagGrid) {
+
+  
+}
 
 ; Function Attrs: noinline nounwind uwtable
 define void @computePhiMag(i32 %numK, float* %phiR, float* %phiI, float* %phiMag) #4 {