; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --scrub-attributes ; RUN: opt < %s -passes=argpromotion -S | FileCheck %s target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128" %struct.ss = type { i32, i64 } define internal void @f(%struct.ss* byval(%struct.ss) align 4 %b) nounwind { ; CHECK-LABEL: define {{[^@]+}}@f ; CHECK-SAME: (i32 [[B_0:%.*]]) #[[ATTR0:[0-9]+]] { ; CHECK-NEXT: entry: ; CHECK-NEXT: [[TEMP:%.*]] = add i32 [[B_0]], 1 ; CHECK-NEXT: ret void ; entry: %temp = getelementptr %struct.ss, %struct.ss* %b, i32 0, i32 0 %temp1 = load i32, i32* %temp, align 4 %temp2 = add i32 %temp1, 1 store i32 %temp2, i32* %temp, align 4 ret void } define internal void @g(%struct.ss* byval(%struct.ss) align 32 %b) nounwind { ; CHECK-LABEL: define {{[^@]+}}@g ; CHECK-SAME: (i32 [[B_0:%.*]]) #[[ATTR0]] { ; CHECK-NEXT: entry: ; CHECK-NEXT: [[TEMP:%.*]] = add i32 [[B_0]], 1 ; CHECK-NEXT: ret void ; entry: %temp = getelementptr %struct.ss, %struct.ss* %b, i32 0, i32 0 %temp1 = load i32, i32* %temp, align 4 %temp2 = add i32 %temp1, 1 store i32 %temp2, i32* %temp, align 4 ret void } ; Don't transform if alignment isn't specified; the actual alignment ; is target-specific, and not exposed anywhere. ; ; (If we ever change byval so a missing alignment isn't legal, we can ; just delete this test.) define internal void @h(%struct.ss* byval(%struct.ss) %b) nounwind { ; CHECK-LABEL: define {{[^@]+}}@h ; CHECK-SAME: (%struct.ss* byval([[STRUCT_SS:%.*]]) [[B:%.*]]) #[[ATTR0]] { ; CHECK-NEXT: entry: ; CHECK-NEXT: [[TEMP:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[B]], i32 0, i32 0 ; CHECK-NEXT: [[TEMP1:%.*]] = load i32, i32* [[TEMP]], align 4 ; CHECK-NEXT: [[TEMP2:%.*]] = add i32 [[TEMP1]], 1 ; CHECK-NEXT: store i32 [[TEMP2]], i32* [[TEMP]], align 4 ; CHECK-NEXT: ret void ; entry: %temp = getelementptr %struct.ss, %struct.ss* %b, i32 0, i32 0 %temp1 = load i32, i32* %temp, align 4 %temp2 = add i32 %temp1, 1 store i32 %temp2, i32* %temp, align 4 ret void } ; Transform even if an argument is written to and then is loaded from. define internal void @k(%struct.ss* byval(%struct.ss) align 4 %b) nounwind { ; CHECK-LABEL: define {{[^@]+}}@k ; CHECK-SAME: (i32 [[B_0:%.*]]) #[[ATTR0]] { ; CHECK-NEXT: entry: ; CHECK-NEXT: [[TEMP:%.*]] = add i32 [[B_0]], 1 ; CHECK-NEXT: ret void ; entry: %temp = getelementptr %struct.ss, %struct.ss* %b, i32 0, i32 0 %temp1 = load i32, i32* %temp, align 4 %temp2 = add i32 %temp1, 1 store i32 %temp2, i32* %temp, align 4 %temp3 = load i32, i32* %temp, align 4 ret void } ; Transform even if a store instruction is the single user. define internal void @l(%struct.ss* byval(%struct.ss) align 4 %b) nounwind { ; CHECK-LABEL: define {{[^@]+}}@l ; CHECK-SAME: (i32 [[B_0:%.*]]) #[[ATTR0]] { ; CHECK-NEXT: entry: ; CHECK-NEXT: ret void ; entry: %temp = getelementptr %struct.ss, %struct.ss* %b, i32 0, i32 0 store i32 1, i32* %temp, align 4 ret void } ; Transform all the arguments creating the required number of 'alloca's and ; then optimize them out. define internal void @m(%struct.ss* byval(%struct.ss) align 4 %b, %struct.ss* byval(%struct.ss) align 4 %c) nounwind { ; CHECK-LABEL: define {{[^@]+}}@m ; CHECK-SAME: (i32 [[B_0:%.*]], i32 [[C_0:%.*]], i64 [[C_1:%.*]]) #[[ATTR0]] { ; CHECK-NEXT: entry: ; CHECK-NEXT: [[TEMP2:%.*]] = add i32 [[B_0]], 1 ; CHECK-NEXT: [[TEMP6:%.*]] = add i64 [[C_1]], 1 ; CHECK-NEXT: ret void ; entry: %temp = getelementptr %struct.ss, %struct.ss* %b, i32 0, i32 0 %temp1 = load i32, i32* %temp, align 4 %temp2 = add i32 %temp1, 1 store i32 %temp2, i32* %temp, align 4 %temp3 = getelementptr %struct.ss, %struct.ss* %c, i32 0, i32 0 store i32 %temp2, i32* %temp3, align 4 %temp4 = getelementptr %struct.ss, %struct.ss* %c, i32 0, i32 1 %temp5 = load i64, i64* %temp4, align 8 %temp6 = add i64 %temp5, 1 store i64 %temp6, i64* %temp4, align 8 ret void } define i32 @main() nounwind { ; CHECK-LABEL: define {{[^@]+}}@main ; CHECK-SAME: () #[[ATTR0]] { ; CHECK-NEXT: entry: ; CHECK-NEXT: [[S:%.*]] = alloca [[STRUCT_SS:%.*]], align 32 ; CHECK-NEXT: [[TEMP1:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[S]], i32 0, i32 0 ; CHECK-NEXT: store i32 1, i32* [[TEMP1]], align 8 ; CHECK-NEXT: [[TEMP4:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[S]], i32 0, i32 1 ; CHECK-NEXT: store i64 2, i64* [[TEMP4]], align 4 ; CHECK-NEXT: [[S_0_0_0:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[S]], i64 0, i32 0 ; CHECK-NEXT: [[S_0_0_0_VAL:%.*]] = load i32, i32* [[S_0_0_0]], align 4 ; CHECK-NEXT: call void @f(i32 [[S_0_0_0_VAL]]) ; CHECK-NEXT: [[S_1_0_0:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[S]], i64 0, i32 0 ; CHECK-NEXT: [[S_1_0_0_VAL:%.*]] = load i32, i32* [[S_1_0_0]], align 4 ; CHECK-NEXT: call void @g(i32 [[S_1_0_0_VAL]]) ; CHECK-NEXT: call void @h(%struct.ss* byval([[STRUCT_SS]]) [[S]]) ; CHECK-NEXT: [[S_2_0_0:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[S]], i64 0, i32 0 ; CHECK-NEXT: [[S_2_0_0_VAL:%.*]] = load i32, i32* [[S_2_0_0]], align 4 ; CHECK-NEXT: call void @k(i32 [[S_2_0_0_VAL]]) ; CHECK-NEXT: [[S_3_0_0:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[S]], i64 0, i32 0 ; CHECK-NEXT: [[S_3_0_0_VAL:%.*]] = load i32, i32* [[S_3_0_0]], align 4 ; CHECK-NEXT: call void @l(i32 [[S_3_0_0_VAL]]) ; CHECK-NEXT: [[S_4_0_0:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[S]], i64 0, i32 0 ; CHECK-NEXT: [[S_4_0_0_VAL:%.*]] = load i32, i32* [[S_4_0_0]], align 4 ; CHECK-NEXT: [[S_4_1_0:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[S]], i64 0, i32 0 ; CHECK-NEXT: [[S_4_1_0_VAL:%.*]] = load i32, i32* [[S_4_1_0]], align 4 ; CHECK-NEXT: [[S_4_1_1:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[S]], i64 0, i32 1 ; CHECK-NEXT: [[S_4_1_1_VAL:%.*]] = load i64, i64* [[S_4_1_1]], align 8 ; CHECK-NEXT: call void @m(i32 [[S_4_0_0_VAL]], i32 [[S_4_1_0_VAL]], i64 [[S_4_1_1_VAL]]) ; CHECK-NEXT: ret i32 0 ; entry: %S = alloca %struct.ss, align 32 %temp1 = getelementptr %struct.ss, %struct.ss* %S, i32 0, i32 0 store i32 1, i32* %temp1, align 8 %temp4 = getelementptr %struct.ss, %struct.ss* %S, i32 0, i32 1 store i64 2, i64* %temp4, align 4 call void @f(%struct.ss* byval(%struct.ss) align 4 %S) nounwind call void @g(%struct.ss* byval(%struct.ss) align 32 %S) nounwind call void @h(%struct.ss* byval(%struct.ss) %S) nounwind call void @k(%struct.ss* byval(%struct.ss) align 4 %S) nounwind call void @l(%struct.ss* byval(%struct.ss) align 4 %S) nounwind call void @m(%struct.ss* byval(%struct.ss) align 4 %S, %struct.ss* byval(%struct.ss) align 4 %S) nounwind ret i32 0 }