1; RUN: opt %s -argpromotion -sroa -S | FileCheck %s 2 3target 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" 4 5%struct.ss = type { i32, i32 } 6 7; Argpromote + sroa should change this to passing the two integers by value. 8define internal i32 @f(%struct.ss* inalloca %s) { 9entry: 10 %f0 = getelementptr %struct.ss, %struct.ss* %s, i32 0, i32 0 11 %f1 = getelementptr %struct.ss, %struct.ss* %s, i32 0, i32 1 12 %a = load i32, i32* %f0, align 4 13 %b = load i32, i32* %f1, align 4 14 %r = add i32 %a, %b 15 ret i32 %r 16} 17; CHECK-LABEL: define internal i32 @f 18; CHECK-NOT: load 19; CHECK: ret 20 21define i32 @main() { 22entry: 23 %S = alloca inalloca %struct.ss 24 %f0 = getelementptr %struct.ss, %struct.ss* %S, i32 0, i32 0 25 %f1 = getelementptr %struct.ss, %struct.ss* %S, i32 0, i32 1 26 store i32 1, i32* %f0, align 4 27 store i32 2, i32* %f1, align 4 28 %r = call i32 @f(%struct.ss* inalloca %S) 29 ret i32 %r 30} 31; CHECK-LABEL: define i32 @main 32; CHECK-NOT: load 33; CHECK: ret 34 35; Argpromote can't promote %a because of the icmp use. 36define internal i1 @g(%struct.ss* %a, %struct.ss* inalloca %b) nounwind { 37; CHECK: define internal i1 @g(%struct.ss* %a, %struct.ss* inalloca %b) 38entry: 39 %c = icmp eq %struct.ss* %a, %b 40 ret i1 %c 41} 42 43define i32 @test() { 44entry: 45 %S = alloca inalloca %struct.ss 46 %c = call i1 @g(%struct.ss* %S, %struct.ss* inalloca %S) 47; CHECK: call i1 @g(%struct.ss* %S, %struct.ss* inalloca %S) 48 ret i32 0 49} 50