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llvm-mirror/test/CodeGen/PowerPC/jaggedstructs.ll
Clement Courbet ee0b0ebdcd [CodeGen] Allow mempcy/memset to generate small overlapping stores.
Summary:
All targets either just return false here or properly model `Fast`, so I
don't think there is any reason to prevent CodeGen from doing the right
thing here.

Subscribers: nemanjai, javed.absar, eraman, jsji, llvm-commits

Differential Revision: https://reviews.llvm.org/D55365

llvm-svn: 349016
2018-12-13 09:56:19 +00:00

47 lines
1.6 KiB
LLVM

; RUN: llc -verify-machineinstrs -mcpu=ppc64 -O0 -fast-isel=false < %s | FileCheck %s
; This tests receiving and re-passing parameters consisting of structures
; of size 3, 5, 6, and 7. They are to be found/placed right-adjusted in
; the parameter registers.
target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v128:128:128-n32:64"
target triple = "powerpc64-unknown-linux-gnu"
%struct.S3 = type { [3 x i8] }
%struct.S5 = type { [5 x i8] }
%struct.S6 = type { [6 x i8] }
%struct.S7 = type { [7 x i8] }
define void @test(%struct.S3* byval %s3, %struct.S5* byval %s5, %struct.S6* byval %s6, %struct.S7* byval %s7) nounwind {
entry:
call void @check(%struct.S3* byval %s3, %struct.S5* byval %s5, %struct.S6* byval %s6, %struct.S7* byval %s7)
ret void
}
; CHECK-DAG: std 3, 160(1)
; CHECK-DAG: std 6, 184(1)
; CHECK-DAG: std 5, 176(1)
; CHECK-DAG: std 4, 168(1)
; CHECK-DAG: lbz {{[0-9]+}}, 167(1)
; CHECK-DAG: lhz {{[0-9]+}}, 165(1)
; CHECK-DAG: stb {{[0-9]+}}, 55(1)
; CHECK-DAG-DAG: sth {{[0-9]+}}, 53(1)
; CHECK-DAG: lbz {{[0-9]+}}, 175(1)
; CHECK-DAG: lwz {{[0-9]+}}, 171(1)
; CHECK-DAG: stb {{[0-9]+}}, 63(1)
; CHECK-DAG: stw {{[0-9]+}}, 59(1)
; CHECK-DAG: lhz {{[0-9]+}}, 182(1)
; CHECK-DAG: lwz {{[0-9]+}}, 178(1)
; CHECK-DAG: sth {{[0-9]+}}, 70(1)
; CHECK-DAG: stw {{[0-9]+}}, 66(1)
; CHECK-DAG: lwz {{[0-9]+}}, 188(1)
; CHECK-DAG: lwz {{[0-9]+}}, 185(1)
; CHECK-DAG: stw {{[0-9]+}}, 76(1)
; CHECK-DAG: stw {{[0-9]+}}, 73(1)
; CHECK-DAG: ld 6, 72(1)
; CHECK-DAG: ld 5, 64(1)
; CHECK-DAG: ld 4, 56(1)
; CHECK-DAG: ld 3, 48(1)
declare void @check(%struct.S3* byval, %struct.S5* byval, %struct.S6* byval, %struct.S7* byval)