1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --scrub-attributes 2; RUN: opt < %s -argpromotion -S | FileCheck %s 3; PR36543 4 5; Don't promote arguments of musttail callee 6 7%T = type { i32, i32, i32, i32 } 8 9define internal i32 @test(%T* %p) { 10; CHECK-LABEL: define {{[^@]+}}@test 11; CHECK-SAME: (%T* [[P:%.*]]) 12; CHECK-NEXT: [[A_GEP:%.*]] = getelementptr [[T:%.*]], %T* [[P]], i64 0, i32 3 13; CHECK-NEXT: [[B_GEP:%.*]] = getelementptr [[T]], %T* [[P]], i64 0, i32 2 14; CHECK-NEXT: [[A:%.*]] = load i32, i32* [[A_GEP]] 15; CHECK-NEXT: [[B:%.*]] = load i32, i32* [[B_GEP]] 16; CHECK-NEXT: [[V:%.*]] = add i32 [[A]], [[B]] 17; CHECK-NEXT: ret i32 [[V]] 18; 19 %a.gep = getelementptr %T, %T* %p, i64 0, i32 3 20 %b.gep = getelementptr %T, %T* %p, i64 0, i32 2 21 %a = load i32, i32* %a.gep 22 %b = load i32, i32* %b.gep 23 %v = add i32 %a, %b 24 ret i32 %v 25} 26 27define i32 @caller(%T* %p) { 28; CHECK-LABEL: define {{[^@]+}}@caller 29; CHECK-SAME: (%T* [[P:%.*]]) 30; CHECK-NEXT: [[V:%.*]] = musttail call i32 @test(%T* [[P]]) 31; CHECK-NEXT: ret i32 [[V]] 32; 33 %v = musttail call i32 @test(%T* %p) 34 ret i32 %v 35} 36 37; Don't promote arguments of musttail caller 38 39define i32 @foo(%T* %p, i32 %v) { 40; CHECK-LABEL: define {{[^@]+}}@foo 41; CHECK-SAME: (%T* [[P:%.*]], i32 [[V:%.*]]) 42; CHECK-NEXT: ret i32 0 43; 44 ret i32 0 45} 46 47define internal i32 @test2(%T* %p, i32 %p2) { 48; CHECK-LABEL: define {{[^@]+}}@test2 49; CHECK-SAME: (%T* [[P:%.*]], i32 [[P2:%.*]]) 50; CHECK-NEXT: [[A_GEP:%.*]] = getelementptr [[T:%.*]], %T* [[P]], i64 0, i32 3 51; CHECK-NEXT: [[B_GEP:%.*]] = getelementptr [[T]], %T* [[P]], i64 0, i32 2 52; CHECK-NEXT: [[A:%.*]] = load i32, i32* [[A_GEP]] 53; CHECK-NEXT: [[B:%.*]] = load i32, i32* [[B_GEP]] 54; CHECK-NEXT: [[V:%.*]] = add i32 [[A]], [[B]] 55; CHECK-NEXT: [[CA:%.*]] = musttail call i32 @foo(%T* undef, i32 [[V]]) 56; CHECK-NEXT: ret i32 [[CA]] 57; 58 %a.gep = getelementptr %T, %T* %p, i64 0, i32 3 59 %b.gep = getelementptr %T, %T* %p, i64 0, i32 2 60 %a = load i32, i32* %a.gep 61 %b = load i32, i32* %b.gep 62 %v = add i32 %a, %b 63 %ca = musttail call i32 @foo(%T* undef, i32 %v) 64 ret i32 %ca 65} 66 67define i32 @caller2(%T* %g) { 68; CHECK-LABEL: define {{[^@]+}}@caller2 69; CHECK-SAME: (%T* [[G:%.*]]) 70; CHECK-NEXT: [[V:%.*]] = call i32 @test2(%T* [[G]], i32 0) 71; CHECK-NEXT: ret i32 [[V]] 72; 73 %v = call i32 @test2(%T* %g, i32 0) 74 ret i32 %v 75} 76