mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-22 18:54:02 +01:00
97 lines
3.7 KiB
LLVM
97 lines
3.7 KiB
LLVM
; RUN: llc -mtriple=thumbv6m-eabi -verify-machineinstrs %s -o - | \
|
|
; RUN: FileCheck %s --check-prefix=CHECK --check-prefix=CHECKV6
|
|
; RUN: llc -mtriple=thumbv6m-eabi -O=0 -verify-machineinstrs %s -o - | \
|
|
; RUN: FileCheck %s --check-prefix=CHECK --check-prefix=CHECKV6
|
|
; RUN: llc -mtriple=thumbv7a-eabi -mattr=-neon -verify-machineinstrs %s -o - | \
|
|
; RUN: FileCheck %s --check-prefix=CHECK --check-prefix=CHECKV7
|
|
; RUN: llc -mtriple=armv7a-eabi -mattr=-neon -verify-machineinstrs %s -o - | \
|
|
; RUN: FileCheck %s --check-prefix=CHECK --check-prefix=CHECKV7
|
|
|
|
@d = external global [64 x i32]
|
|
@s = external global [64 x i32]
|
|
|
|
; Function Attrs: nounwind
|
|
define void @t1() #0 {
|
|
entry:
|
|
; CHECK-LABEL: t1:
|
|
; CHECKV6: ldr [[LB:r[0-7]]],
|
|
; CHECKV6-NEXT: ldr [[SB:r[0-7]]],
|
|
; We use '[rl0-9]+' to allow 'r0'..'r12', 'lr'
|
|
; CHECKV7: movt [[LB:[rl0-9]+]], :upper16:d
|
|
; CHECKV7-NEXT: movt [[SB:[rl0-9]+]], :upper16:s
|
|
; CHECK-NEXT: ldm{{(\.w)?}} [[LB]]!,
|
|
; CHECK-NEXT: stm{{(\.w)?}} [[SB]]!,
|
|
; Think of the monstrosity '{{\[}}[[LB]]]' as '[ [[LB]] ]' without the spaces.
|
|
; CHECK-NEXT: ldrb{{(\.w)?}} {{.*}}, {{\[}}[[LB]]]
|
|
; CHECK-NEXT: strb{{(\.w)?}} {{.*}}, {{\[}}[[SB]]]
|
|
tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 bitcast ([64 x i32]* @s to i8*), i8* align 4 bitcast ([64 x i32]* @d to i8*), i32 17, i1 false)
|
|
ret void
|
|
}
|
|
|
|
; Function Attrs: nounwind
|
|
define void @t2() #0 {
|
|
entry:
|
|
; CHECK-LABEL: t2:
|
|
; CHECKV6: ldr [[LB:r[0-7]]],
|
|
; CHECKV6-NEXT: ldr [[SB:r[0-7]]],
|
|
; CHECKV6-NEXT: ldm{{(\.w)?}} [[LB]]!,
|
|
; CHECKV6-NEXT: stm{{(\.w)?}} [[SB]]!,
|
|
; CHECKV6-DAG: ldrh{{(\.w)?}} {{.*}}, {{\[}}[[LB]]]
|
|
; CHECKV6-DAG: ldrb{{(\.w)?}} {{.*}}, {{\[}}[[LB]], #2]
|
|
; CHECKV6-DAG: strb{{(\.w)?}} {{.*}}, {{\[}}[[SB]], #2]
|
|
; CHECKV6-DAG: strh{{(\.w)?}} {{.*}}, {{\[}}[[SB]]]
|
|
; CHECKV7: movt [[LB:[rl0-9]+]], :upper16:d
|
|
; CHECKV7-NEXT: movt [[SB:[rl0-9]+]], :upper16:s
|
|
; CHECKV7: ldr{{(\.w)?}} {{.*}}, {{\[}}[[LB]], #11]
|
|
; CHECKV7-NEXT: str{{(\.w)?}} {{.*}}, {{\[}}[[SB]], #11]
|
|
tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 bitcast ([64 x i32]* @s to i8*), i8* align 4 bitcast ([64 x i32]* @d to i8*), i32 15, i1 false)
|
|
ret void
|
|
}
|
|
|
|
; PR23768
|
|
%struct.T = type { i8, i64, i8 }
|
|
|
|
@copy = external global %struct.T, align 8
|
|
@etest = external global %struct.T, align 8
|
|
|
|
define void @t3() {
|
|
call void @llvm.memcpy.p0i8.p0i8.i32(
|
|
i8* align 8 getelementptr inbounds (%struct.T, %struct.T* @copy, i32 0, i32 0),
|
|
i8* align 8 getelementptr inbounds (%struct.T, %struct.T* @etest, i32 0, i32 0),
|
|
i32 24, i1 false)
|
|
call void @llvm.memcpy.p0i8.p0i8.i32(
|
|
i8* align 8 getelementptr inbounds (%struct.T, %struct.T* @copy, i32 0, i32 0),
|
|
i8* align 8 getelementptr inbounds (%struct.T, %struct.T* @etest, i32 0, i32 0),
|
|
i32 24, i1 false)
|
|
ret void
|
|
}
|
|
|
|
%struct.S = type { [12 x i32] }
|
|
|
|
; CHECK-LABEL: test3
|
|
define void @test3(%struct.S* %d, %struct.S* %s) #0 {
|
|
%1 = bitcast %struct.S* %d to i8*
|
|
%2 = bitcast %struct.S* %s to i8*
|
|
tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 %1, i8* align 4 %2, i32 48, i1 false)
|
|
; 3 ldm/stm pairs in v6; 2 in v7
|
|
; CHECK: ldm{{(\.w)?}} {{[rl0-9]+!?}}, [[REGLIST1:{.*}]]
|
|
; CHECK: stm{{(\.w)?}} {{[rl0-9]+!?}}, [[REGLIST1]]
|
|
; CHECK: ldm{{(\.w)?}} {{[rl0-9]+!?}}, [[REGLIST2:{.*}]]
|
|
; CHECK: stm{{(\.w)?}} {{[rl0-9]+!?}}, [[REGLIST2]]
|
|
; CHECKV6: ldm {{r[0-7]!?}}, [[REGLIST3:{.*}]]
|
|
; CHECKV6: stm {{r[0-7]!?}}, [[REGLIST3]]
|
|
; CHECKV7-NOT: ldm
|
|
; CHECKV7-NOT: stm
|
|
%arrayidx = getelementptr inbounds %struct.S, %struct.S* %s, i32 0, i32 0, i32 1
|
|
tail call void @g(i32* %arrayidx) #3
|
|
ret void
|
|
}
|
|
|
|
declare void @g(i32*)
|
|
|
|
; Set "frame-pointer"="all" to increase register pressure
|
|
attributes #0 = { "frame-pointer"="all" }
|
|
|
|
; Function Attrs: nounwind
|
|
declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture readonly, i32, i1) #1
|