forked from OSchip/llvm-project
51 lines
1.6 KiB
LLVM
51 lines
1.6 KiB
LLVM
; RUN: opt %s -globalopt -argpromotion -sroa -S | FileCheck %s
|
|
; RUN: opt %s -passes='module(globalopt),cgscc(argpromotion),function(sroa)' -S | FileCheck %s
|
|
|
|
target 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"
|
|
|
|
%struct.ss = type { i32, i32 }
|
|
|
|
; Argpromote + sroa should change this to passing the two integers by value.
|
|
define internal i32 @f(%struct.ss* inalloca %s) {
|
|
entry:
|
|
%f0 = getelementptr %struct.ss, %struct.ss* %s, i32 0, i32 0
|
|
%f1 = getelementptr %struct.ss, %struct.ss* %s, i32 0, i32 1
|
|
%a = load i32, i32* %f0, align 4
|
|
%b = load i32, i32* %f1, align 4
|
|
%r = add i32 %a, %b
|
|
ret i32 %r
|
|
}
|
|
; CHECK-LABEL: define internal fastcc i32 @f
|
|
; CHECK-NOT: load
|
|
; CHECK: ret
|
|
|
|
define i32 @main() {
|
|
entry:
|
|
%S = alloca inalloca %struct.ss
|
|
%f0 = getelementptr %struct.ss, %struct.ss* %S, i32 0, i32 0
|
|
%f1 = getelementptr %struct.ss, %struct.ss* %S, i32 0, i32 1
|
|
store i32 1, i32* %f0, align 4
|
|
store i32 2, i32* %f1, align 4
|
|
%r = call i32 @f(%struct.ss* inalloca %S)
|
|
ret i32 %r
|
|
}
|
|
; CHECK-LABEL: define i32 @main
|
|
; CHECK-NOT: load
|
|
; CHECK: ret
|
|
|
|
; Argpromote can't promote %a because of the icmp use.
|
|
define internal i1 @g(%struct.ss* %a, %struct.ss* inalloca %b) nounwind {
|
|
; CHECK: define internal fastcc i1 @g(%struct.ss* %a, %struct.ss* %b)
|
|
entry:
|
|
%c = icmp eq %struct.ss* %a, %b
|
|
ret i1 %c
|
|
}
|
|
|
|
define i32 @test() {
|
|
entry:
|
|
%S = alloca inalloca %struct.ss
|
|
%c = call i1 @g(%struct.ss* %S, %struct.ss* inalloca %S)
|
|
; CHECK: call fastcc i1 @g(%struct.ss* %S, %struct.ss* %S)
|
|
ret i32 0
|
|
}
|