arguments-small-structures-bigger-than-32bits.ll
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; RUN: llc < %s -march=mips64 -target-abi n64 -mcpu=mips64r2 | FileCheck %s -check-prefixes=ALL,MIPSEB
; RUN: llc < %s -march=mips64el -target-abi n64 -mcpu=mips64r2 | FileCheck %s -check-prefixes=ALL,MIPSEL
; RUN: llc < %s -march=mips64 -target-abi n32 -mcpu=mips64r2 | FileCheck %s -check-prefixes=ALL,MIPSEB
; RUN: llc < %s -march=mips64el -target-abi n32 -mcpu=mips64r2 | FileCheck %s -check-prefixes=ALL,MIPSEL
; #include <stdio.h>
;
; struct S1 {
; char x1;
; short x2;
; char x3;
; };
;
; struct S2 {
; char x1;
; char x2;
; char x3;
; char x4;
; char x5;
; };
;
; void fS1(struct S1 s);
; void fS2(struct S2 s);
;
; void f1() {
; struct S1 s1_1;
; fS1(s1_1);
; }
;
; void f2() {
; struct S2 s2_1;
; fS2(s2_1);
; }
;
; int main() {
; f1();
; f2();
; }
%struct.S1 = type { i8, i16, i8 }
%struct.S2 = type { i8, i8, i8, i8, i8 }
declare void @fS1(i48 inreg) #1
declare void @fS2(i40 inreg) #1
declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i1) #2
define void @f1() #0 {
entry:
%s1_1 = alloca %struct.S1, align 2
%s1_1.coerce = alloca { i48 }
%0 = bitcast { i48 }* %s1_1.coerce to i8*
%1 = bitcast %struct.S1* %s1_1 to i8*
call void @llvm.memcpy.p0i8.p0i8.i64(i8* %0, i8* %1, i64 6, i1 false)
%2 = getelementptr { i48 }, { i48 }* %s1_1.coerce, i32 0, i32 0
%3 = load i48, i48* %2, align 1
call void @fS1(i48 inreg %3)
ret void
; ALL-LABEL: f1:
; MIPSEB: dsll $[[R1:[0-9]+]], $[[R2:[0-9]+]], 16
; MIPSEL-NOT: dsll $[[R1:[0-9]+]], $[[R2:[0-9]+]], 16
}
define void @f2() #0 {
entry:
%s2_1 = alloca %struct.S2, align 1
%s2_1.coerce = alloca { i40 }
%0 = bitcast { i40 }* %s2_1.coerce to i8*
%1 = bitcast %struct.S2* %s2_1 to i8*
call void @llvm.memcpy.p0i8.p0i8.i64(i8* %0, i8* %1, i64 5, i1 false)
%2 = getelementptr { i40 }, { i40 }* %s2_1.coerce, i32 0, i32 0
%3 = load i40, i40* %2, align 1
call void @fS2(i40 inreg %3)
ret void
; ALL-LABEL: f2:
; MIPSEB: dsll $[[R1:[0-9]+]], $[[R2:[0-9]+]], 24
; MIPSEL-NOT: dsll $[[R1:[0-9]+]], $[[R2:[0-9]+]], 24
}