66 lines
1.5 KiB
LLVM
66 lines
1.5 KiB
LLVM
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; RUN: llc < %s -mtriple=arm64-eabi | FileCheck %s
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define i64 @_f0(ptr %p) {
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; CHECK: f0:
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; CHECK: ldur x0, [x0, #-8]
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; CHECK-NEXT: ret
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%tmp = getelementptr inbounds i64, ptr %p, i64 -1
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%ret = load i64, ptr %tmp, align 2
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ret i64 %ret
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}
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define i32 @_f1(ptr %p) {
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; CHECK: f1:
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; CHECK: ldur w0, [x0, #-4]
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; CHECK-NEXT: ret
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%tmp = getelementptr inbounds i32, ptr %p, i64 -1
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%ret = load i32, ptr %tmp, align 2
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ret i32 %ret
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}
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define i16 @_f2(ptr %p) {
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; CHECK: f2:
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; CHECK: ldurh w0, [x0, #-2]
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; CHECK-NEXT: ret
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%tmp = getelementptr inbounds i16, ptr %p, i64 -1
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%ret = load i16, ptr %tmp, align 2
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ret i16 %ret
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}
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define i8 @_f3(ptr %p) {
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; CHECK: f3:
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; CHECK: ldurb w0, [x0, #-1]
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; CHECK-NEXT: ret
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%tmp = getelementptr inbounds i8, ptr %p, i64 -1
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%ret = load i8, ptr %tmp, align 2
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ret i8 %ret
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}
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define i64 @zext32(ptr %a) nounwind ssp {
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; CHECK-LABEL: zext32:
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; CHECK: ldur w0, [x0, #-12]
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; CHECK-NEXT: ret
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%p = getelementptr inbounds i8, ptr %a, i64 -12
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%tmp2 = load i32, ptr %p, align 4
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%ret = zext i32 %tmp2 to i64
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ret i64 %ret
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}
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define i64 @zext16(ptr %a) nounwind ssp {
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; CHECK-LABEL: zext16:
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; CHECK: ldurh w0, [x0, #-12]
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; CHECK-NEXT: ret
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%p = getelementptr inbounds i8, ptr %a, i64 -12
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%tmp2 = load i16, ptr %p, align 2
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%ret = zext i16 %tmp2 to i64
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ret i64 %ret
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}
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define i64 @zext8(ptr %a) nounwind ssp {
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; CHECK-LABEL: zext8:
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; CHECK: ldurb w0, [x0, #-12]
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; CHECK-NEXT: ret
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%p = getelementptr inbounds i8, ptr %a, i64 -12
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%tmp2 = load i8, ptr %p, align 1
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%ret = zext i8 %tmp2 to i64
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ret i64 %ret
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}
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