mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-14 11:32:34 +00:00
7f4f923aa5
pre/post-index load and store. Patch by Steven Wu <stevenwu@apple.com> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215390 91177308-0d34-0410-b5e6-96231b3b80d8
364 lines
11 KiB
LLVM
364 lines
11 KiB
LLVM
; RUN: llc < %s -march=arm64 -aarch64-redzone | FileCheck %s
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define void @store64(i64** nocapture %out, i64 %index, i64 %spacing) nounwind noinline ssp {
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; CHECK-LABEL: store64:
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; CHECK: str x{{[0-9+]}}, [x{{[0-9+]}}], #8
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; CHECK: ret
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%tmp = load i64** %out, align 8
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%incdec.ptr = getelementptr inbounds i64* %tmp, i64 1
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store i64 %spacing, i64* %tmp, align 4
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store i64* %incdec.ptr, i64** %out, align 8
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ret void
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}
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define void @store32(i32** nocapture %out, i32 %index, i32 %spacing) nounwind noinline ssp {
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; CHECK-LABEL: store32:
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; CHECK: str w{{[0-9+]}}, [x{{[0-9+]}}], #4
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; CHECK: ret
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%tmp = load i32** %out, align 8
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%incdec.ptr = getelementptr inbounds i32* %tmp, i64 1
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store i32 %spacing, i32* %tmp, align 4
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store i32* %incdec.ptr, i32** %out, align 8
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ret void
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}
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define void @store16(i16** nocapture %out, i16 %index, i16 %spacing) nounwind noinline ssp {
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; CHECK-LABEL: store16:
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; CHECK: strh w{{[0-9+]}}, [x{{[0-9+]}}], #2
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; CHECK: ret
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%tmp = load i16** %out, align 8
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%incdec.ptr = getelementptr inbounds i16* %tmp, i64 1
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store i16 %spacing, i16* %tmp, align 4
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store i16* %incdec.ptr, i16** %out, align 8
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ret void
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}
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define void @store8(i8** nocapture %out, i8 %index, i8 %spacing) nounwind noinline ssp {
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; CHECK-LABEL: store8:
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; CHECK: strb w{{[0-9+]}}, [x{{[0-9+]}}], #1
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; CHECK: ret
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%tmp = load i8** %out, align 8
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%incdec.ptr = getelementptr inbounds i8* %tmp, i64 1
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store i8 %spacing, i8* %tmp, align 4
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store i8* %incdec.ptr, i8** %out, align 8
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ret void
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}
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define void @truncst64to32(i32** nocapture %out, i32 %index, i64 %spacing) nounwind noinline ssp {
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; CHECK-LABEL: truncst64to32:
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; CHECK: str w{{[0-9+]}}, [x{{[0-9+]}}], #4
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; CHECK: ret
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%tmp = load i32** %out, align 8
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%incdec.ptr = getelementptr inbounds i32* %tmp, i64 1
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%trunc = trunc i64 %spacing to i32
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store i32 %trunc, i32* %tmp, align 4
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store i32* %incdec.ptr, i32** %out, align 8
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ret void
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}
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define void @truncst64to16(i16** nocapture %out, i16 %index, i64 %spacing) nounwind noinline ssp {
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; CHECK-LABEL: truncst64to16:
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; CHECK: strh w{{[0-9+]}}, [x{{[0-9+]}}], #2
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; CHECK: ret
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%tmp = load i16** %out, align 8
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%incdec.ptr = getelementptr inbounds i16* %tmp, i64 1
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%trunc = trunc i64 %spacing to i16
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store i16 %trunc, i16* %tmp, align 4
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store i16* %incdec.ptr, i16** %out, align 8
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ret void
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}
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define void @truncst64to8(i8** nocapture %out, i8 %index, i64 %spacing) nounwind noinline ssp {
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; CHECK-LABEL: truncst64to8:
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; CHECK: strb w{{[0-9+]}}, [x{{[0-9+]}}], #1
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; CHECK: ret
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%tmp = load i8** %out, align 8
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%incdec.ptr = getelementptr inbounds i8* %tmp, i64 1
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%trunc = trunc i64 %spacing to i8
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store i8 %trunc, i8* %tmp, align 4
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store i8* %incdec.ptr, i8** %out, align 8
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ret void
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}
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define void @storef32(float** nocapture %out, float %index, float %spacing) nounwind noinline ssp {
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; CHECK-LABEL: storef32:
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; CHECK: str s{{[0-9+]}}, [x{{[0-9+]}}], #4
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; CHECK: ret
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%tmp = load float** %out, align 8
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%incdec.ptr = getelementptr inbounds float* %tmp, i64 1
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store float %spacing, float* %tmp, align 4
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store float* %incdec.ptr, float** %out, align 8
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ret void
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}
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define void @storef64(double** nocapture %out, double %index, double %spacing) nounwind noinline ssp {
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; CHECK-LABEL: storef64:
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; CHECK: str d{{[0-9+]}}, [x{{[0-9+]}}], #8
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; CHECK: ret
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%tmp = load double** %out, align 8
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%incdec.ptr = getelementptr inbounds double* %tmp, i64 1
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store double %spacing, double* %tmp, align 4
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store double* %incdec.ptr, double** %out, align 8
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ret void
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}
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define double * @pref64(double** nocapture %out, double %spacing) nounwind noinline ssp {
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; CHECK-LABEL: pref64:
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; CHECK: ldr x0, [x0]
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; CHECK-NEXT: str d0, [x0, #32]!
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; CHECK-NEXT: ret
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%tmp = load double** %out, align 8
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%ptr = getelementptr inbounds double* %tmp, i64 4
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store double %spacing, double* %ptr, align 4
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ret double *%ptr
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}
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define float * @pref32(float** nocapture %out, float %spacing) nounwind noinline ssp {
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; CHECK-LABEL: pref32:
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; CHECK: ldr x0, [x0]
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; CHECK-NEXT: str s0, [x0, #12]!
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; CHECK-NEXT: ret
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%tmp = load float** %out, align 8
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%ptr = getelementptr inbounds float* %tmp, i64 3
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store float %spacing, float* %ptr, align 4
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ret float *%ptr
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}
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define i64 * @pre64(i64** nocapture %out, i64 %spacing) nounwind noinline ssp {
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; CHECK-LABEL: pre64:
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; CHECK: ldr x0, [x0]
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; CHECK-NEXT: str x1, [x0, #16]!
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; CHECK-NEXT: ret
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%tmp = load i64** %out, align 8
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%ptr = getelementptr inbounds i64* %tmp, i64 2
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store i64 %spacing, i64* %ptr, align 4
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ret i64 *%ptr
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}
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define i32 * @pre32(i32** nocapture %out, i32 %spacing) nounwind noinline ssp {
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; CHECK-LABEL: pre32:
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; CHECK: ldr x0, [x0]
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; CHECK-NEXT: str w1, [x0, #8]!
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; CHECK-NEXT: ret
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%tmp = load i32** %out, align 8
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%ptr = getelementptr inbounds i32* %tmp, i64 2
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store i32 %spacing, i32* %ptr, align 4
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ret i32 *%ptr
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}
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define i16 * @pre16(i16** nocapture %out, i16 %spacing) nounwind noinline ssp {
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; CHECK-LABEL: pre16:
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; CHECK: ldr x0, [x0]
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; CHECK-NEXT: strh w1, [x0, #4]!
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; CHECK-NEXT: ret
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%tmp = load i16** %out, align 8
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%ptr = getelementptr inbounds i16* %tmp, i64 2
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store i16 %spacing, i16* %ptr, align 4
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ret i16 *%ptr
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}
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define i8 * @pre8(i8** nocapture %out, i8 %spacing) nounwind noinline ssp {
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; CHECK-LABEL: pre8:
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; CHECK: ldr x0, [x0]
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; CHECK-NEXT: strb w1, [x0, #2]!
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; CHECK-NEXT: ret
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%tmp = load i8** %out, align 8
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%ptr = getelementptr inbounds i8* %tmp, i64 2
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store i8 %spacing, i8* %ptr, align 4
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ret i8 *%ptr
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}
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define i32 * @pretrunc64to32(i32** nocapture %out, i64 %spacing) nounwind noinline ssp {
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; CHECK-LABEL: pretrunc64to32:
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; CHECK: ldr x0, [x0]
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; CHECK-NEXT: str w1, [x0, #8]!
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; CHECK-NEXT: ret
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%tmp = load i32** %out, align 8
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%ptr = getelementptr inbounds i32* %tmp, i64 2
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%trunc = trunc i64 %spacing to i32
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store i32 %trunc, i32* %ptr, align 4
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ret i32 *%ptr
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}
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define i16 * @pretrunc64to16(i16** nocapture %out, i64 %spacing) nounwind noinline ssp {
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; CHECK-LABEL: pretrunc64to16:
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; CHECK: ldr x0, [x0]
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; CHECK-NEXT: strh w1, [x0, #4]!
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; CHECK-NEXT: ret
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%tmp = load i16** %out, align 8
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%ptr = getelementptr inbounds i16* %tmp, i64 2
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%trunc = trunc i64 %spacing to i16
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store i16 %trunc, i16* %ptr, align 4
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ret i16 *%ptr
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}
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define i8 * @pretrunc64to8(i8** nocapture %out, i64 %spacing) nounwind noinline ssp {
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; CHECK-LABEL: pretrunc64to8:
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; CHECK: ldr x0, [x0]
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; CHECK-NEXT: strb w1, [x0, #2]!
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; CHECK-NEXT: ret
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%tmp = load i8** %out, align 8
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%ptr = getelementptr inbounds i8* %tmp, i64 2
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%trunc = trunc i64 %spacing to i8
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store i8 %trunc, i8* %ptr, align 4
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ret i8 *%ptr
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}
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;-----
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; Pre-indexed loads
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;-----
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define double* @preidxf64(double* %src, double* %out) {
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; CHECK-LABEL: preidxf64:
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; CHECK: ldr d0, [x0, #8]!
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; CHECK: str d0, [x1]
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; CHECK: ret
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%ptr = getelementptr inbounds double* %src, i64 1
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%tmp = load double* %ptr, align 4
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store double %tmp, double* %out, align 4
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ret double* %ptr
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}
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define float* @preidxf32(float* %src, float* %out) {
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; CHECK-LABEL: preidxf32:
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; CHECK: ldr s0, [x0, #4]!
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; CHECK: str s0, [x1]
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; CHECK: ret
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%ptr = getelementptr inbounds float* %src, i64 1
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%tmp = load float* %ptr, align 4
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store float %tmp, float* %out, align 4
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ret float* %ptr
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}
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define i64* @preidx64(i64* %src, i64* %out) {
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; CHECK-LABEL: preidx64:
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; CHECK: ldr x[[REG:[0-9]+]], [x0, #8]!
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; CHECK: str x[[REG]], [x1]
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; CHECK: ret
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%ptr = getelementptr inbounds i64* %src, i64 1
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%tmp = load i64* %ptr, align 4
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store i64 %tmp, i64* %out, align 4
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ret i64* %ptr
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}
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define i32* @preidx32(i32* %src, i32* %out) {
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; CHECK: ldr w[[REG:[0-9]+]], [x0, #4]!
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; CHECK: str w[[REG]], [x1]
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; CHECK: ret
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%ptr = getelementptr inbounds i32* %src, i64 1
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%tmp = load i32* %ptr, align 4
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store i32 %tmp, i32* %out, align 4
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ret i32* %ptr
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}
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define i16* @preidx16zext32(i16* %src, i32* %out) {
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; CHECK: ldrh w[[REG:[0-9]+]], [x0, #2]!
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; CHECK: str w[[REG]], [x1]
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; CHECK: ret
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%ptr = getelementptr inbounds i16* %src, i64 1
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%tmp = load i16* %ptr, align 4
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%ext = zext i16 %tmp to i32
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store i32 %ext, i32* %out, align 4
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ret i16* %ptr
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}
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define i16* @preidx16zext64(i16* %src, i64* %out) {
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; CHECK: ldrh w[[REG:[0-9]+]], [x0, #2]!
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; CHECK: str x[[REG]], [x1]
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; CHECK: ret
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%ptr = getelementptr inbounds i16* %src, i64 1
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%tmp = load i16* %ptr, align 4
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%ext = zext i16 %tmp to i64
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store i64 %ext, i64* %out, align 4
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ret i16* %ptr
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}
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define i8* @preidx8zext32(i8* %src, i32* %out) {
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; CHECK: ldrb w[[REG:[0-9]+]], [x0, #1]!
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; CHECK: str w[[REG]], [x1]
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; CHECK: ret
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%ptr = getelementptr inbounds i8* %src, i64 1
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%tmp = load i8* %ptr, align 4
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%ext = zext i8 %tmp to i32
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store i32 %ext, i32* %out, align 4
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ret i8* %ptr
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}
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define i8* @preidx8zext64(i8* %src, i64* %out) {
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; CHECK: ldrb w[[REG:[0-9]+]], [x0, #1]!
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; CHECK: str x[[REG]], [x1]
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; CHECK: ret
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%ptr = getelementptr inbounds i8* %src, i64 1
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%tmp = load i8* %ptr, align 4
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%ext = zext i8 %tmp to i64
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store i64 %ext, i64* %out, align 4
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ret i8* %ptr
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}
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define i32* @preidx32sext64(i32* %src, i64* %out) {
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; CHECK: ldrsw x[[REG:[0-9]+]], [x0, #4]!
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; CHECK: str x[[REG]], [x1]
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; CHECK: ret
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%ptr = getelementptr inbounds i32* %src, i64 1
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%tmp = load i32* %ptr, align 4
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%ext = sext i32 %tmp to i64
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store i64 %ext, i64* %out, align 8
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ret i32* %ptr
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}
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define i16* @preidx16sext32(i16* %src, i32* %out) {
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; CHECK: ldrsh w[[REG:[0-9]+]], [x0, #2]!
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; CHECK: str w[[REG]], [x1]
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; CHECK: ret
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%ptr = getelementptr inbounds i16* %src, i64 1
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%tmp = load i16* %ptr, align 4
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%ext = sext i16 %tmp to i32
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store i32 %ext, i32* %out, align 4
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ret i16* %ptr
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}
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define i16* @preidx16sext64(i16* %src, i64* %out) {
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; CHECK: ldrsh x[[REG:[0-9]+]], [x0, #2]!
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; CHECK: str x[[REG]], [x1]
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; CHECK: ret
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%ptr = getelementptr inbounds i16* %src, i64 1
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%tmp = load i16* %ptr, align 4
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%ext = sext i16 %tmp to i64
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store i64 %ext, i64* %out, align 4
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ret i16* %ptr
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}
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define i8* @preidx8sext32(i8* %src, i32* %out) {
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; CHECK: ldrsb w[[REG:[0-9]+]], [x0, #1]!
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; CHECK: str w[[REG]], [x1]
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; CHECK: ret
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%ptr = getelementptr inbounds i8* %src, i64 1
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%tmp = load i8* %ptr, align 4
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%ext = sext i8 %tmp to i32
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store i32 %ext, i32* %out, align 4
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ret i8* %ptr
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}
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define i8* @preidx8sext64(i8* %src, i64* %out) {
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; CHECK: ldrsb x[[REG:[0-9]+]], [x0, #1]!
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; CHECK: str x[[REG]], [x1]
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; CHECK: ret
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%ptr = getelementptr inbounds i8* %src, i64 1
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%tmp = load i8* %ptr, align 4
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%ext = sext i8 %tmp to i64
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store i64 %ext, i64* %out, align 4
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ret i8* %ptr
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}
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; This test checks if illegal post-index is generated
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define i64* @postidx_clobber(i64* %addr) nounwind noinline ssp {
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; CHECK-LABEL: postidx_clobber:
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; CHECK-NOT: str x0, [x0], #8
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; ret
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%paddr = bitcast i64* %addr to i64**
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store i64* %addr, i64** %paddr
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%newaddr = getelementptr i64* %addr, i32 1
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ret i64* %newaddr
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}
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