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1; RUN: opt -O3 -S < %s | FileCheck %s2 3; Arg promotion eliminates the struct argument but may leave dead arguments after its work4 5%struct.ss = type { i32, i64 }6 7@dummy = global i32 08; CHECK: [[DUMMY:@.*]] = local_unnamed_addr global i32 09 10define internal void @f(ptr byval(%struct.ss) align 8 %b, ptr byval(i32) align 4 %X) noinline nounwind {11; CHECK-LABEL: define {{[^@]+}}@f12; CHECK-SAME: (i32 [[B_0:%.*]]){{[^#]*}} #[[ATTR0:[0-9]+]] {13; CHECK-NEXT: entry:14; CHECK-NEXT: [[TEMP:%.*]] = add i32 [[B_0]], 115; CHECK-NEXT: store i32 [[TEMP]], ptr [[DUMMY]], align 416; CHECK-NEXT: ret void17;18entry:19 %temp1 = load i32, ptr %b, align 420 %temp2 = add i32 %temp1, 121 store i32 %temp2, ptr @dummy22 store i32 %temp2, ptr %X23 ret void24}25 26define i32 @test(ptr %X) {27; CHECK-LABEL: define {{[^@]+}}@test28; CHECK-SAME: (ptr {{[^%]*}} [[X:%.*]]){{[^#]*}} #[[ATTR1:[0-9]+]] {29; CHECK-NEXT: entry:30; CHECK-NEXT: tail call {{.*}}void @f(i32 1)31; CHECK-NEXT: ret i32 032;33entry:34 %S = alloca %struct.ss, align 835 store i32 1, ptr %S, align 836 %temp4 = getelementptr %struct.ss, ptr %S, i32 0, i32 137 store i64 2, ptr %temp4, align 438 call void @f( ptr byval(%struct.ss) align 8 %S, ptr byval(i32) align 4 %X)39 ret i32 040}41