6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-11-02 07:11:49 +00:00
Code Issues Projects Releases Wiki Activity

Struct byval: fix a copy-paste error for thumb2.

Browse Source 
PR17309


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192730 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Manman Ren 2013-10-15 19:42:32 +00:00
parent bfa7b1e695
commit 05ac87f864
2 changed files with 44 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
lib/Target/ARM/ARMISelLowering.cpp
View File

@ -7364,7 +7364,7 @@ EmitStructByval(MachineInstr *MI, MachineBasicBlock *BB) const {
AddDefaultPred(BuildMI(*BB, MI, dl, TII->get(strOpc), destOut)
.addReg(scratch).addReg(destIn)
.addReg(0).addImm(1));
.addImm(1));
} else {
AddDefaultPred(BuildMI(*BB, MI, dl,
TII->get(ldrOpc),scratch)

47
test/CodeGen/ARM/struct_byval.ll
View File

@ -1,4 +1,5 @@
; RUN: llc < %s -mtriple=armv7-apple-ios6.0 | FileCheck %s
; RUN: llc < %s -mtriple=thumbv7-apple-ios6.0 | FileCheck %s -check-prefix=THUMB
; rdar://9877866
%struct.SmallStruct = type { i32, [8 x i32], [37 x i8] }
@ -10,6 +11,10 @@ entry:
; CHECK: ldr
; CHECK: str
; CHECK-NOT:bne
; THUMB-LABEL: f:
; THUMB: ldr
; THUMB: str
; THUMB-NOT:bne
%st = alloca %struct.SmallStruct, align 4
%call = call i32 @e1(%struct.SmallStruct* byval %st)
ret i32 0
@ -23,6 +28,11 @@ entry:
; CHECK: sub
; CHECK: str
; CHECK: bne
; THUMB-LABEL: g:
; THUMB: ldr
; THUMB: sub
; THUMB: str
; THUMB: bne
%st = alloca %struct.LargeStruct, align 4
%call = call i32 @e2(%struct.LargeStruct* byval %st)
ret i32 0
@ -36,6 +46,11 @@ entry:
; CHECK: sub
; CHECK: vst1
; CHECK: bne
; THUMB-LABEL: h:
; THUMB: vld1
; THUMB: sub
; THUMB: vst1
; THUMB: bne
%st = alloca %struct.LargeStruct, align 16
%call = call i32 @e3(%struct.LargeStruct* byval align 16 %st)
ret i32 0
@ -49,8 +64,10 @@ declare i32 @e3(%struct.LargeStruct* nocapture byval align 16 %in) nounwind
; We can't do tail call since address of s is passed to the callee and part of
; s is in caller's local frame.
define void @f3(%struct.SmallStruct* nocapture byval %s) nounwind optsize {
; CHECK: f3
; CHECK-LABEL: f3
; CHECK: bl _consumestruct
; THUMB-LABEL: f3
; THUMB: blx _consumestruct
entry:
%0 = bitcast %struct.SmallStruct* %s to i8*
tail call void @consumestruct(i8* %0, i32 80) optsize
@ -58,8 +75,10 @@ entry:
}
define void @f4(%struct.SmallStruct* nocapture byval %s) nounwind optsize {
; CHECK: f4
; CHECK-LABEL: f4
; CHECK: bl _consumestruct
; THUMB-LABEL: f4
; THUMB: blx _consumestruct
entry:
%addr = getelementptr inbounds %struct.SmallStruct* %s, i32 0, i32 0
%0 = bitcast i32* %addr to i8*
@ -69,8 +88,10 @@ entry:
; We can do tail call here since s is in the incoming argument area.
define void @f5(i32 %a, i32 %b, i32 %c, i32 %d, %struct.SmallStruct* nocapture byval %s) nounwind optsize {
; CHECK: f5
; CHECK-LABEL: f5
; CHECK: b _consumestruct
; THUMB-LABEL: f5
; THUMB: b.w _consumestruct
entry:
%0 = bitcast %struct.SmallStruct* %s to i8*
tail call void @consumestruct(i8* %0, i32 80) optsize
@ -78,8 +99,10 @@ entry:
}
define void @f6(i32 %a, i32 %b, i32 %c, i32 %d, %struct.SmallStruct* nocapture byval %s) nounwind optsize {
; CHECK: f6
; CHECK-LABEL: f6
; CHECK: b _consumestruct
; THUMB-LABEL: f6
; THUMB: b.w _consumestruct
entry:
%addr = getelementptr inbounds %struct.SmallStruct* %s, i32 0, i32 0
%0 = bitcast i32* %addr to i8*
@ -88,3 +111,19 @@ entry:
}
declare void @consumestruct(i8* nocapture %structp, i32 %structsize) nounwind
; PR17309
%struct.I.8 = type { [10 x i32], [3 x i8] }
declare void @use_I(%struct.I.8* byval)
define void @test_I_16() {
; CHECK-LABEL: test_I_16
; CHECK: ldrb
; CHECK: strb
; THUMB-LABEL: test_I_16
; THUMB: ldrb
; THUMB: strb
entry:
call void @use_I(%struct.I.8* byval align 16 undef)
ret void
}