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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --scrub-attributes2; RUN: opt < %s -passes=argpromotion -S | FileCheck %s3 4target 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"5 6%struct.ss = type { i32, i64 }7 8define internal void @f(ptr byval(%struct.ss) align 4 %b) nounwind {9; CHECK-LABEL: define {{[^@]+}}@f10; CHECK-SAME: (i32 [[B_0_VAL:%.*]]) #[[ATTR0:[0-9]+]] {11; CHECK-NEXT: entry:12; CHECK-NEXT: [[TEMP2:%.*]] = add i32 [[B_0_VAL]], 113; CHECK-NEXT: ret void14;15entry:16 %temp1 = load i32, ptr %b, align 417 %temp2 = add i32 %temp1, 118 store i32 %temp2, ptr %b, align 419 ret void20}21 22define internal void @g(ptr byval(%struct.ss) align 32 %b) nounwind {23; CHECK-LABEL: define {{[^@]+}}@g24; CHECK-SAME: (i32 [[B_0_VAL:%.*]]) #[[ATTR0]] {25; CHECK-NEXT: entry:26; CHECK-NEXT: [[TEMP2:%.*]] = add i32 [[B_0_VAL]], 127; CHECK-NEXT: ret void28;29entry:30 %temp1 = load i32, ptr %b, align 431 %temp2 = add i32 %temp1, 132 store i32 %temp2, ptr %b, align 433 ret void34}35 36; Don't transform if alignment isn't specified; the actual alignment37; is target-specific, and not exposed anywhere.38;39; (If we ever change byval so a missing alignment isn't legal, we can40; just delete this test.)41define internal void @h(ptr byval(%struct.ss) %b) nounwind {42; CHECK-LABEL: define {{[^@]+}}@h43; CHECK-SAME: (ptr byval([[STRUCT_SS:%.*]]) [[B:%.*]]) #[[ATTR0]] {44; CHECK-NEXT: entry:45; CHECK-NEXT: [[TEMP1:%.*]] = load i32, ptr [[B]], align 446; CHECK-NEXT: [[TEMP2:%.*]] = add i32 [[TEMP1]], 147; CHECK-NEXT: store i32 [[TEMP2]], ptr [[B]], align 448; CHECK-NEXT: ret void49;50entry:51 %temp1 = load i32, ptr %b, align 452 %temp2 = add i32 %temp1, 153 store i32 %temp2, ptr %b, align 454 ret void55}56 57; Transform even if an argument is written to and then is loaded from.58define internal void @k(ptr byval(%struct.ss) align 4 %b) nounwind {59; CHECK-LABEL: define {{[^@]+}}@k60; CHECK-SAME: (i32 [[B_0_VAL:%.*]]) #[[ATTR0]] {61; CHECK-NEXT: entry:62; CHECK-NEXT: [[TEMP2:%.*]] = add i32 [[B_0_VAL]], 163; CHECK-NEXT: ret void64;65entry:66 %temp1 = load i32, ptr %b, align 467 %temp2 = add i32 %temp1, 168 store i32 %temp2, ptr %b, align 469 %temp3 = load i32, ptr %b, align 470 ret void71}72 73; Transform even if a store instruction is the single user.74define internal void @l(ptr byval(%struct.ss) align 4 %b) nounwind {75; CHECK-LABEL: define {{[^@]+}}@l76; CHECK-SAME: (i32 [[B_0_VAL:%.*]]) #[[ATTR0]] {77; CHECK-NEXT: entry:78; CHECK-NEXT: ret void79;80entry:81 store i32 1, ptr %b, align 482 ret void83}84 85; Transform all the arguments creating the required number of 'alloca's and86; then optimize them out.87define internal void @m(ptr byval(%struct.ss) align 4 %b, ptr byval(%struct.ss) align 4 %c) nounwind {88; CHECK-LABEL: define {{[^@]+}}@m89; CHECK-SAME: (i32 [[B_0_VAL:%.*]], i32 [[C_0_VAL:%.*]], i64 [[C_4_VAL:%.*]]) #[[ATTR0]] {90; CHECK-NEXT: entry:91; CHECK-NEXT: [[TEMP2:%.*]] = add i32 [[B_0_VAL]], 192; CHECK-NEXT: [[TEMP6:%.*]] = add i64 [[C_4_VAL]], 193; CHECK-NEXT: ret void94;95entry:96 %temp1 = load i32, ptr %b, align 497 %temp2 = add i32 %temp1, 198 store i32 %temp2, ptr %b, align 499 100 store i32 %temp2, ptr %c, align 4101 102 %temp4 = getelementptr %struct.ss, ptr %c, i32 0, i32 1103 %temp5 = load i64, ptr %temp4, align 8104 %temp6 = add i64 %temp5, 1105 store i64 %temp6, ptr %temp4, align 8106 107 ret void108}109 110define i32 @main() nounwind {111; CHECK-LABEL: define {{[^@]+}}@main112; CHECK-SAME: () #[[ATTR0]] {113; CHECK-NEXT: entry:114; CHECK-NEXT: [[S:%.*]] = alloca [[STRUCT_SS:%.*]], align 32115; CHECK-NEXT: store i32 1, ptr [[S]], align 8116; CHECK-NEXT: [[TEMP4:%.*]] = getelementptr [[STRUCT_SS]], ptr [[S]], i32 0, i32 1117; CHECK-NEXT: store i64 2, ptr [[TEMP4]], align 4118; CHECK-NEXT: [[S_VAL:%.*]] = load i32, ptr [[S]], align 4119; CHECK-NEXT: call void @f(i32 [[S_VAL]])120; CHECK-NEXT: [[S_VAL1:%.*]] = load i32, ptr [[S]], align 4121; CHECK-NEXT: call void @g(i32 [[S_VAL1]])122; CHECK-NEXT: call void @h(ptr byval([[STRUCT_SS]]) [[S]])123; CHECK-NEXT: [[S_VAL2:%.*]] = load i32, ptr [[S]], align 4124; CHECK-NEXT: call void @k(i32 [[S_VAL2]])125; CHECK-NEXT: [[S_VAL3:%.*]] = load i32, ptr [[S]], align 4126; CHECK-NEXT: call void @l(i32 [[S_VAL3]])127; CHECK-NEXT: [[S_VAL4:%.*]] = load i32, ptr [[S]], align 4128; CHECK-NEXT: [[S_VAL5:%.*]] = load i32, ptr [[S]], align 4129; CHECK-NEXT: [[TMP0:%.*]] = getelementptr i8, ptr [[S]], i64 4130; CHECK-NEXT: [[S_VAL6:%.*]] = load i64, ptr [[TMP0]], align 8131; CHECK-NEXT: call void @m(i32 [[S_VAL4]], i32 [[S_VAL5]], i64 [[S_VAL6]])132; CHECK-NEXT: ret i32 0133;134entry:135 %S = alloca %struct.ss, align 32136 store i32 1, ptr %S, align 8137 %temp4 = getelementptr %struct.ss, ptr %S, i32 0, i32 1138 store i64 2, ptr %temp4, align 4139 call void @f(ptr byval(%struct.ss) align 4 %S) nounwind140 call void @g(ptr byval(%struct.ss) align 32 %S) nounwind141 call void @h(ptr byval(%struct.ss) %S) nounwind142 call void @k(ptr byval(%struct.ss) align 4 %S) nounwind143 call void @l(ptr byval(%struct.ss) align 4 %S) nounwind144 call void @m(ptr byval(%struct.ss) align 4 %S, ptr byval(%struct.ss) align 4 %S) nounwind145 ret i32 0146}147