1; RUN: opt %s -argpromotion -sroa -S | FileCheck %s 2; RUN: opt %s -passes='argpromotion,function(sroa)' -S | FileCheck %s 3 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, i32 } 7 8; Argpromote + sroa should change this to passing the two integers by value. 9define internal i32 @f(%struct.ss* inalloca %s) { 10entry: 11 %f0 = getelementptr %struct.ss, %struct.ss* %s, i32 0, i32 0 12 %f1 = getelementptr %struct.ss, %struct.ss* %s, i32 0, i32 1 13 %a = load i32, i32* %f0, align 4 14 %b = load i32, i32* %f1, align 4 15 %r = add i32 %a, %b 16 ret i32 %r 17} 18; CHECK-LABEL: define internal i32 @f 19; CHECK-NOT: load 20; CHECK: ret 21 22define i32 @main() { 23entry: 24 %S = alloca inalloca %struct.ss 25 %f0 = getelementptr %struct.ss, %struct.ss* %S, i32 0, i32 0 26 %f1 = getelementptr %struct.ss, %struct.ss* %S, i32 0, i32 1 27 store i32 1, i32* %f0, align 4 28 store i32 2, i32* %f1, align 4 29 %r = call i32 @f(%struct.ss* inalloca %S) 30 ret i32 %r 31} 32; CHECK-LABEL: define i32 @main 33; CHECK-NOT: load 34; CHECK: ret 35 36; Argpromote can't promote %a because of the icmp use. 37define internal i1 @g(%struct.ss* %a, %struct.ss* inalloca %b) nounwind { 38; CHECK: define internal i1 @g(%struct.ss* %a, %struct.ss* inalloca %b) 39entry: 40 %c = icmp eq %struct.ss* %a, %b 41 ret i1 %c 42} 43 44define i32 @test() { 45entry: 46 %S = alloca inalloca %struct.ss 47 %c = call i1 @g(%struct.ss* %S, %struct.ss* inalloca %S) 48; CHECK: call i1 @g(%struct.ss* %S, %struct.ss* inalloca %S) 49 ret i32 0 50} 51