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