| ; RUN: llc < %s -O0 -fast-isel-abort=1 -relocation-model=dynamic-no-pic -mtriple=thumbv7-apple-ios -verify-machineinstrs | FileCheck %s --check-prefix=THUMB |
| |
| define i32 @t1(i32* nocapture %ptr) nounwind readonly { |
| entry: |
| ; THUMB-LABEL: t1: |
| %add.ptr = getelementptr inbounds i32, i32* %ptr, i32 -1 |
| %0 = load i32, i32* %add.ptr, align 4 |
| ; THUMB: ldr r{{[0-9]}}, [r0, #-4] |
| ret i32 %0 |
| } |
| |
| define i32 @t2(i32* nocapture %ptr) nounwind readonly { |
| entry: |
| ; THUMB-LABEL: t2: |
| %add.ptr = getelementptr inbounds i32, i32* %ptr, i32 -63 |
| %0 = load i32, i32* %add.ptr, align 4 |
| ; THUMB: ldr r{{[0-9]}}, [r0, #-252] |
| ret i32 %0 |
| } |
| |
| define i32 @t3(i32* nocapture %ptr) nounwind readonly { |
| entry: |
| ; THUMB-LABEL: t3: |
| %add.ptr = getelementptr inbounds i32, i32* %ptr, i32 -64 |
| %0 = load i32, i32* %add.ptr, align 4 |
| ; THUMB: ldr r{{[0-9]}}, [r0] |
| ret i32 %0 |
| } |
| |
| define zeroext i16 @t4(i16* nocapture %ptr) nounwind readonly { |
| entry: |
| ; THUMB-LABEL: t4: |
| %add.ptr = getelementptr inbounds i16, i16* %ptr, i32 -1 |
| %0 = load i16, i16* %add.ptr, align 2 |
| ; THUMB: ldrh r{{[0-9]}}, [r0, #-2] |
| ret i16 %0 |
| } |
| |
| define zeroext i16 @t5(i16* nocapture %ptr) nounwind readonly { |
| entry: |
| ; THUMB-LABEL: t5: |
| %add.ptr = getelementptr inbounds i16, i16* %ptr, i32 -127 |
| %0 = load i16, i16* %add.ptr, align 2 |
| ; THUMB: ldrh r{{[0-9]}}, [r0, #-254] |
| ret i16 %0 |
| } |
| |
| define zeroext i16 @t6(i16* nocapture %ptr) nounwind readonly { |
| entry: |
| ; THUMB-LABEL: t6: |
| %add.ptr = getelementptr inbounds i16, i16* %ptr, i32 -128 |
| %0 = load i16, i16* %add.ptr, align 2 |
| ; THUMB: ldrh r{{[0-9]}}, [r0] |
| ret i16 %0 |
| } |
| |
| define zeroext i8 @t7(i8* nocapture %ptr) nounwind readonly { |
| entry: |
| ; THUMB-LABEL: t7: |
| %add.ptr = getelementptr inbounds i8, i8* %ptr, i32 -1 |
| %0 = load i8, i8* %add.ptr, align 1 |
| ; THUMB: ldrb r{{[0-9]}}, [r0, #-1] |
| ret i8 %0 |
| } |
| |
| define zeroext i8 @t8(i8* nocapture %ptr) nounwind readonly { |
| entry: |
| ; THUMB-LABEL: t8: |
| %add.ptr = getelementptr inbounds i8, i8* %ptr, i32 -255 |
| %0 = load i8, i8* %add.ptr, align 1 |
| ; THUMB: ldrb r{{[0-9]}}, [r0, #-255] |
| ret i8 %0 |
| } |
| |
| define zeroext i8 @t9(i8* nocapture %ptr) nounwind readonly { |
| entry: |
| ; THUMB-LABEL: t9: |
| %add.ptr = getelementptr inbounds i8, i8* %ptr, i32 -256 |
| %0 = load i8, i8* %add.ptr, align 1 |
| ; THUMB: ldrb r{{[0-9]}}, [r0] |
| ret i8 %0 |
| } |
| |
| define void @t10(i32* nocapture %ptr) nounwind { |
| entry: |
| ; THUMB-LABEL: t10: |
| %add.ptr = getelementptr inbounds i32, i32* %ptr, i32 -1 |
| store i32 0, i32* %add.ptr, align 4 |
| ; THUMB: mov [[REG:r[0-9]+]], r0 |
| ; THUMB: str r{{[0-9]}}, {{\[}}[[REG]], #-4] |
| ret void |
| } |
| |
| define void @t11(i32* nocapture %ptr) nounwind { |
| entry: |
| ; THUMB-LABEL: t11: |
| %add.ptr = getelementptr inbounds i32, i32* %ptr, i32 -63 |
| store i32 0, i32* %add.ptr, align 4 |
| ; THUMB: mov [[REG:r[0-9]+]], r0 |
| ; THUMB: str r{{[0-9]}}, {{\[}}[[REG]], #-252] |
| ret void |
| } |
| |
| define void @t12(i32* nocapture %ptr) nounwind { |
| entry: |
| ; THUMB-LABEL: t12: |
| %add.ptr = getelementptr inbounds i32, i32* %ptr, i32 -64 |
| store i32 0, i32* %add.ptr, align 4 |
| ; THUMB: mov [[PTR:r[0-9]+]], r0 |
| ; THUMB: movs [[VAL:r[0-9]+]], #0 |
| ; THUMB: movw [[REG:r[0-9]+]], #65280 |
| ; THUMB: movt [[REG]], #65535 |
| ; THUMB: add [[PTR]], [[REG]] |
| ; THUMB: str [[VAL]], {{\[}}[[PTR]]] |
| ret void |
| } |
| |
| define void @t13(i16* nocapture %ptr) nounwind { |
| entry: |
| ; THUMB-LABEL: t13: |
| %add.ptr = getelementptr inbounds i16, i16* %ptr, i32 -1 |
| store i16 0, i16* %add.ptr, align 2 |
| ; THUMB: mov [[REG:r[0-9]+]], r0 |
| ; THUMB: strh r{{[0-9]}}, {{\[}}[[REG]], #-2] |
| ret void |
| } |
| |
| define void @t14(i16* nocapture %ptr) nounwind { |
| entry: |
| ; THUMB-LABEL: t14: |
| %add.ptr = getelementptr inbounds i16, i16* %ptr, i32 -127 |
| store i16 0, i16* %add.ptr, align 2 |
| ; THUMB: mov [[REG:r[0-9]+]], r0 |
| ; THUMB: strh r{{[0-9]}}, {{\[}}[[REG]], #-254] |
| ret void |
| } |
| |
| define void @t15(i16* nocapture %ptr) nounwind { |
| entry: |
| ; THUMB-LABEL: t15: |
| %add.ptr = getelementptr inbounds i16, i16* %ptr, i32 -128 |
| store i16 0, i16* %add.ptr, align 2 |
| ; THUMB: mov [[PTR:r[0-9]+]], r0 |
| ; THUMB: movs [[VAL:r[0-9]+]], #0 |
| ; THUMB: movw [[REG:r[0-9]+]], #65280 |
| ; THUMB: movt [[REG]], #65535 |
| ; THUMB: add [[PTR]], [[REG]] |
| ; THUMB: strh [[VAL]], {{\[}}[[PTR]]] |
| ret void |
| } |
| |
| define void @t16(i8* nocapture %ptr) nounwind { |
| entry: |
| ; THUMB-LABEL: t16: |
| %add.ptr = getelementptr inbounds i8, i8* %ptr, i32 -1 |
| store i8 0, i8* %add.ptr, align 1 |
| ; THUMB: mov [[REG:r[0-9]+]], r0 |
| ; THUMB: strb r{{[0-9]}}, {{\[}}[[REG]], #-1] |
| ret void |
| } |
| |
| define void @t17(i8* nocapture %ptr) nounwind { |
| entry: |
| ; THUMB-LABEL: t17: |
| %add.ptr = getelementptr inbounds i8, i8* %ptr, i32 -255 |
| store i8 0, i8* %add.ptr, align 1 |
| ; THUMB: mov [[REG:r[0-9]+]], r0 |
| ; THUMB: strb r{{[0-9]}}, {{\[}}[[REG]], #-255] |
| ret void |
| } |
| |
| define void @t18(i8* nocapture %ptr) nounwind { |
| entry: |
| ; THUMB-LABEL: t18: |
| %add.ptr = getelementptr inbounds i8, i8* %ptr, i32 -256 |
| store i8 0, i8* %add.ptr, align 1 |
| ; THUMB: mov [[PTR:r[0-9]+]], r0 |
| ; THUMB: movs [[VAL]], #0 |
| ; THUMB: movw [[REG:r[0-9]+]], #65280 |
| ; THUMB: movt [[REG]], #65535 |
| ; THUMB: add [[PTR]], [[REG]] |
| ; THUMB: strb [[VAL]], {{\[}}[[PTR]]] |
| ret void |
| } |