diff options
Diffstat (limited to 'test/CodeGen/Thumb/ldm-stm-base-materialization.ll')
| -rw-r--r-- | test/CodeGen/Thumb/ldm-stm-base-materialization.ll | 77 |
1 files changed, 72 insertions, 5 deletions
diff --git a/test/CodeGen/Thumb/ldm-stm-base-materialization.ll b/test/CodeGen/Thumb/ldm-stm-base-materialization.ll index 916e5ea299a3c..0be796eb8f8df 100644 --- a/test/CodeGen/Thumb/ldm-stm-base-materialization.ll +++ b/test/CodeGen/Thumb/ldm-stm-base-materialization.ll @@ -6,15 +6,17 @@ target triple = "thumbv6m-none--eabi" @b = external global i32* ; Function Attrs: nounwind -define void @foo() #0 { +define void @foo24() #0 { entry: -; CHECK-LABEL: foo: -; CHECK: ldr r[[SB:[0-9]]], .LCPI +; CHECK-LABEL: foo24: ; CHECK: ldr r[[LB:[0-9]]], .LCPI ; CHECK: adds r[[NLB:[0-9]]], r[[LB]], #4 -; CHECK-NEXT: ldm r[[NLB]], +; CHECK: ldr r[[SB:[0-9]]], .LCPI ; CHECK: adds r[[NSB:[0-9]]], r[[SB]], #4 -; CHECK-NEXT: stm r[[NSB]] +; CHECK-NEXT: ldm r[[NLB]]!, {r[[R1:[0-9]]], r[[R2:[0-9]]], r[[R3:[0-9]]]} +; CHECK-NEXT: stm r[[NSB]]!, {r[[R1]], r[[R2]], r[[R3]]} +; CHECK-NEXT: ldm r[[NLB]]!, {r[[R1:[0-9]]], r[[R2:[0-9]]], r[[R3:[0-9]]]} +; CHECK-NEXT: stm r[[NSB]]!, {r[[R1]], r[[R2]], r[[R3]]} %0 = load i32*, i32** @a, align 4 %arrayidx = getelementptr inbounds i32, i32* %0, i32 1 %1 = bitcast i32* %arrayidx to i8* @@ -25,5 +27,70 @@ entry: ret void } +define void @foo28() #0 { +entry: +; CHECK-LABEL: foo28: +; CHECK: ldr r[[LB:[0-9]]], .LCPI +; CHECK: adds r[[NLB:[0-9]]], r[[LB]], #4 +; CHECK: ldr r[[SB:[0-9]]], .LCPI +; CHECK: adds r[[NSB:[0-9]]], r[[SB]], #4 +; CHECK-NEXT: ldm r[[NLB]]!, {r[[R1:[0-9]]], r[[R2:[0-9]]], r[[R3:[0-9]]]} +; CHECK-NEXT: stm r[[NSB]]!, {r[[R1]], r[[R2]], r[[R3]]} +; CHECK-NEXT: ldm r[[NLB]]!, {r[[R1:[0-9]]], r[[R2:[0-9]]], r[[R3:[0-9]]], r[[R4:[0-9]]]} +; CHECK-NEXT: stm r[[NSB]]!, {r[[R1]], r[[R2]], r[[R3]], r[[R4]]} + %0 = load i32*, i32** @a, align 4 + %arrayidx = getelementptr inbounds i32, i32* %0, i32 1 + %1 = bitcast i32* %arrayidx to i8* + %2 = load i32*, i32** @b, align 4 + %arrayidx1 = getelementptr inbounds i32, i32* %2, i32 1 + %3 = bitcast i32* %arrayidx1 to i8* + tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* %1, i8* %3, i32 28, i32 4, i1 false) + ret void +} + +define void @foo32() #0 { +entry: +; CHECK-LABEL: foo32: +; CHECK: ldr r[[LB:[0-9]]], .LCPI +; CHECK: adds r[[NLB:[0-9]]], r[[LB]], #4 +; CHECK: ldr r[[SB:[0-9]]], .LCPI +; CHECK: adds r[[NSB:[0-9]]], r[[SB]], #4 +; CHECK-NEXT: ldm r[[NLB]]!, {r[[R1:[0-9]]], r[[R2:[0-9]]], r[[R3:[0-9]]], r[[R4:[0-9]]]} +; CHECK-NEXT: stm r[[NSB]]!, {r[[R1]], r[[R2]], r[[R3]], r[[R4]]} +; CHECK-NEXT: ldm r[[NLB]]!, {r[[R1:[0-9]]], r[[R2:[0-9]]], r[[R3:[0-9]]], r[[R4:[0-9]]]} +; CHECK-NEXT: stm r[[NSB]]!, {r[[R1]], r[[R2]], r[[R3]], r[[R4]]} + %0 = load i32*, i32** @a, align 4 + %arrayidx = getelementptr inbounds i32, i32* %0, i32 1 + %1 = bitcast i32* %arrayidx to i8* + %2 = load i32*, i32** @b, align 4 + %arrayidx1 = getelementptr inbounds i32, i32* %2, i32 1 + %3 = bitcast i32* %arrayidx1 to i8* + tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* %1, i8* %3, i32 32, i32 4, i1 false) + ret void +} + +define void @foo36() #0 { +entry: +; CHECK-LABEL: foo36: +; CHECK: ldr r[[LB:[0-9]]], .LCPI +; CHECK: adds r[[NLB:[0-9]]], r[[LB]], #4 +; CHECK: ldr r[[SB:[0-9]]], .LCPI +; CHECK: adds r[[NSB:[0-9]]], r[[SB]], #4 +; CHECK-NEXT: ldm r[[NLB]]!, {r[[R1:[0-9]]], r[[R2:[0-9]]], r[[R3:[0-9]]]} +; CHECK-NEXT: stm r[[NSB]]!, {r[[R1]], r[[R2]], r[[R3]]} +; CHECK-NEXT: ldm r[[NLB]]!, {r[[R1:[0-9]]], r[[R2:[0-9]]], r[[R3:[0-9]]]} +; CHECK-NEXT: stm r[[NSB]]!, {r[[R1]], r[[R2]], r[[R3]]} +; CHECK-NEXT: ldm r[[NLB]]!, {r[[R1:[0-9]]], r[[R2:[0-9]]], r[[R3:[0-9]]]} +; CHECK-NEXT: stm r[[NSB]]!, {r[[R1]], r[[R2]], r[[R3]]} + %0 = load i32*, i32** @a, align 4 + %arrayidx = getelementptr inbounds i32, i32* %0, i32 1 + %1 = bitcast i32* %arrayidx to i8* + %2 = load i32*, i32** @b, align 4 + %arrayidx1 = getelementptr inbounds i32, i32* %2, i32 1 + %3 = bitcast i32* %arrayidx1 to i8* + tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* %1, i8* %3, i32 36, i32 4, i1 false) + ret void +} + ; Function Attrs: nounwind declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture readonly, i32, i32, i1) #1 |