diff options
Diffstat (limited to 'test/CodeGen/ARM/ldm-stm-base-materialization.ll')
| -rw-r--r-- | test/CodeGen/ARM/ldm-stm-base-materialization.ll | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/ldm-stm-base-materialization.ll b/test/CodeGen/ARM/ldm-stm-base-materialization.ll new file mode 100644 index 000000000000..a3231f95f478 --- /dev/null +++ b/test/CodeGen/ARM/ldm-stm-base-materialization.ll @@ -0,0 +1,93 @@ +; RUN: llc -mtriple armv7a-none-eabi -mattr=-neon < %s -verify-machineinstrs -o - | FileCheck %s + +; Thumb1 (thumbv6m) is tested in tests/Thumb + +@a = external global i32* +@b = external global i32* + +; Function Attrs: nounwind +define void @foo24() #0 { +entry: +; CHECK-LABEL: foo24: +; We use '[rl0-9]*' to allow 'r0'..'r12', 'lr' +; CHECK: movt [[LB:[rl0-9]+]], :upper16:b +; CHECK: movt [[SB:[rl0-9]+]], :upper16:a +; CHECK: add [[NLB:[rl0-9]+]], [[LB]], #4 +; CHECK: add [[NSB:[rl0-9]+]], [[SB]], #4 +; CHECK-NEXT: ldm [[NLB]], {[[R1:[rl0-9]+]], [[R2:[rl0-9]+]], [[R3:[rl0-9]+]], [[R4:[rl0-9]+]], [[R5:[rl0-9]+]], [[R6:[rl0-9]+]]} +; CHECK-NEXT: stm [[NSB]], {[[R1]], [[R2]], [[R3]], [[R4]], [[R5]], [[R6]]} + %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 24, i32 4, i1 false) + ret void +} + +define void @foo28() #0 { +entry: +; CHECK-LABEL: foo28: +; CHECK: movt [[LB:[rl0-9]+]], :upper16:b +; CHECK: movt [[SB:[rl0-9]+]], :upper16:a +; CHECK: add [[NLB:[rl0-9]+]], [[LB]], #4 +; CHECK: add [[NSB:[rl0-9]+]], [[SB]], #4 +; CHECK-NEXT: ldm [[NLB]]!, {[[R1:[rl0-9]+]], [[R2:[rl0-9]+]], [[R3:[rl0-9]+]]} +; CHECK-NEXT: stm [[NSB]]!, {[[R1]], [[R2]], [[R3]]} +; CHECK-NEXT: ldm [[NLB]], {[[R1:[rl0-9]+]], [[R2:[rl0-9]+]], [[R3:[rl0-9]+]], [[R4:[rl0-9]+]]} +; CHECK-NEXT: stm [[NSB]], {[[R1]], [[R2]], [[R3]], [[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: movt [[LB:[rl0-9]+]], :upper16:b +; CHECK: movt [[SB:[rl0-9]+]], :upper16:a +; CHECK: add [[NLB:[rl0-9]+]], [[LB]], #4 +; CHECK: add [[NSB:[rl0-9]+]], [[SB]], #4 +; CHECK-NEXT: ldm [[NLB]]!, {[[R1:[rl0-9]+]], [[R2:[rl0-9]+]], [[R3:[rl0-9]+]], [[R4:[rl0-9]+]]} +; CHECK-NEXT: stm [[NSB]]!, {[[R1]], [[R2]], [[R3]], [[R4]]} +; CHECK-NEXT: ldm [[NLB]], {[[R1:[rl0-9]+]], [[R2:[rl0-9]+]], [[R3:[rl0-9]+]], [[R4:[rl0-9]+]]} +; CHECK-NEXT: stm [[NSB]], {[[R1]], [[R2]], [[R3]], [[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: movt [[LB:[rl0-9]+]], :upper16:b +; CHECK: movt [[SB:[rl0-9]+]], :upper16:a +; CHECK: add [[NLB:[rl0-9]+]], [[LB]], #4 +; CHECK: add [[NSB:[rl0-9]+]], [[SB]], #4 +; CHECK-NEXT: ldm [[NLB]]!, {[[R1:[rl0-9]+]], [[R2:[rl0-9]+]], [[R3:[rl0-9]+]], [[R4:[rl0-9]+]]} +; CHECK-NEXT: stm [[NSB]]!, {[[R1]], [[R2]], [[R3]], [[R4]]} +; CHECK-NEXT: ldm [[NLB]], {[[R1:[rl0-9]+]], [[R2:[rl0-9]+]], [[R3:[rl0-9]+]], [[R4:[rl0-9]+]], [[R5:[rl0-9]+]]} +; CHECK-NEXT: stm [[NSB]], {[[R1]], [[R2]], [[R3]], [[R4]], [[R5]]} + %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 |