forked from OSchip/llvm-project
445 lines
14 KiB
LLVM
445 lines
14 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=arm64-eabi -verify-machineinstrs | FileCheck %s
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define i32 @ldp_int(i32* %p) nounwind {
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; CHECK-LABEL: ldp_int:
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; CHECK: // %bb.0:
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; CHECK-NEXT: ldp w8, w9, [x0]
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; CHECK-NEXT: add w0, w9, w8
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; CHECK-NEXT: ret
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%tmp = load i32, i32* %p, align 4
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%add.ptr = getelementptr inbounds i32, i32* %p, i64 1
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%tmp1 = load i32, i32* %add.ptr, align 4
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%add = add nsw i32 %tmp1, %tmp
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ret i32 %add
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}
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define i64 @ldp_sext_int(i32* %p) nounwind {
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; CHECK-LABEL: ldp_sext_int:
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; CHECK: // %bb.0:
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; CHECK-NEXT: ldpsw x8, x9, [x0]
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; CHECK-NEXT: add x0, x9, x8
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; CHECK-NEXT: ret
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%tmp = load i32, i32* %p, align 4
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%add.ptr = getelementptr inbounds i32, i32* %p, i64 1
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%tmp1 = load i32, i32* %add.ptr, align 4
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%sexttmp = sext i32 %tmp to i64
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%sexttmp1 = sext i32 %tmp1 to i64
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%add = add nsw i64 %sexttmp1, %sexttmp
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ret i64 %add
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}
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define i64 @ldp_half_sext_res0_int(i32* %p) nounwind {
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; CHECK-LABEL: ldp_half_sext_res0_int:
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; CHECK: // %bb.0:
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; CHECK-NEXT: ldp w8, w9, [x0]
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; CHECK-NEXT: // kill: def $w8 killed $w8 def $x8
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; CHECK-NEXT: sxtw x8, w8
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; CHECK-NEXT: add x0, x9, x8
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; CHECK-NEXT: ret
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%tmp = load i32, i32* %p, align 4
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%add.ptr = getelementptr inbounds i32, i32* %p, i64 1
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%tmp1 = load i32, i32* %add.ptr, align 4
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%sexttmp = sext i32 %tmp to i64
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%sexttmp1 = zext i32 %tmp1 to i64
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%add = add nsw i64 %sexttmp1, %sexttmp
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ret i64 %add
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}
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define i64 @ldp_half_sext_res1_int(i32* %p) nounwind {
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; CHECK-LABEL: ldp_half_sext_res1_int:
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; CHECK: // %bb.0:
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; CHECK-NEXT: ldp w8, w9, [x0]
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; CHECK-NEXT: // kill: def $w9 killed $w9 def $x9
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; CHECK-NEXT: sxtw x9, w9
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; CHECK-NEXT: add x0, x9, x8
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; CHECK-NEXT: ret
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%tmp = load i32, i32* %p, align 4
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%add.ptr = getelementptr inbounds i32, i32* %p, i64 1
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%tmp1 = load i32, i32* %add.ptr, align 4
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%sexttmp = zext i32 %tmp to i64
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%sexttmp1 = sext i32 %tmp1 to i64
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%add = add nsw i64 %sexttmp1, %sexttmp
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ret i64 %add
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}
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define i64 @ldp_long(i64* %p) nounwind {
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; CHECK-LABEL: ldp_long:
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; CHECK: // %bb.0:
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; CHECK-NEXT: ldp x8, x9, [x0]
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; CHECK-NEXT: add x0, x9, x8
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; CHECK-NEXT: ret
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%tmp = load i64, i64* %p, align 8
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%add.ptr = getelementptr inbounds i64, i64* %p, i64 1
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%tmp1 = load i64, i64* %add.ptr, align 8
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%add = add nsw i64 %tmp1, %tmp
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ret i64 %add
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}
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define float @ldp_float(float* %p) nounwind {
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; CHECK-LABEL: ldp_float:
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; CHECK: // %bb.0:
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; CHECK-NEXT: ldp s0, s1, [x0]
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; CHECK-NEXT: fadd s0, s0, s1
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; CHECK-NEXT: ret
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%tmp = load float, float* %p, align 4
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%add.ptr = getelementptr inbounds float, float* %p, i64 1
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%tmp1 = load float, float* %add.ptr, align 4
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%add = fadd float %tmp, %tmp1
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ret float %add
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}
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define double @ldp_double(double* %p) nounwind {
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; CHECK-LABEL: ldp_double:
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; CHECK: // %bb.0:
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; CHECK-NEXT: ldp d0, d1, [x0]
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; CHECK-NEXT: fadd d0, d0, d1
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; CHECK-NEXT: ret
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%tmp = load double, double* %p, align 8
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%add.ptr = getelementptr inbounds double, double* %p, i64 1
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%tmp1 = load double, double* %add.ptr, align 8
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%add = fadd double %tmp, %tmp1
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ret double %add
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}
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define <2 x double> @ldp_doublex2(<2 x double>* %p) nounwind {
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; CHECK-LABEL: ldp_doublex2:
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; CHECK: // %bb.0:
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; CHECK-NEXT: ldp q0, q1, [x0]
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; CHECK-NEXT: fadd v0.2d, v0.2d, v1.2d
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; CHECK-NEXT: ret
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%tmp = load <2 x double>, <2 x double>* %p, align 16
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%add.ptr = getelementptr inbounds <2 x double>, <2 x double>* %p, i64 1
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%tmp1 = load <2 x double>, <2 x double>* %add.ptr, align 16
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%add = fadd <2 x double> %tmp, %tmp1
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ret <2 x double> %add
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}
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; Test the load/store optimizer---combine ldurs into a ldp, if appropriate
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define i32 @ldur_int(i32* %a) nounwind {
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; CHECK-LABEL: ldur_int:
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; CHECK: // %bb.0:
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; CHECK-NEXT: ldp w9, w8, [x0, #-8]
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; CHECK-NEXT: add w0, w8, w9
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; CHECK-NEXT: ret
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%p1 = getelementptr inbounds i32, i32* %a, i32 -1
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%tmp1 = load i32, i32* %p1, align 2
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%p2 = getelementptr inbounds i32, i32* %a, i32 -2
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%tmp2 = load i32, i32* %p2, align 2
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%tmp3 = add i32 %tmp1, %tmp2
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ret i32 %tmp3
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}
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define i64 @ldur_sext_int(i32* %a) nounwind {
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; CHECK-LABEL: ldur_sext_int:
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; CHECK: // %bb.0:
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; CHECK-NEXT: ldpsw x9, x8, [x0, #-8]
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; CHECK-NEXT: add x0, x8, x9
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; CHECK-NEXT: ret
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%p1 = getelementptr inbounds i32, i32* %a, i32 -1
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%tmp1 = load i32, i32* %p1, align 2
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%p2 = getelementptr inbounds i32, i32* %a, i32 -2
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%tmp2 = load i32, i32* %p2, align 2
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%sexttmp1 = sext i32 %tmp1 to i64
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%sexttmp2 = sext i32 %tmp2 to i64
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%tmp3 = add i64 %sexttmp1, %sexttmp2
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ret i64 %tmp3
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}
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define i64 @ldur_half_sext_int_res0(i32* %a) nounwind {
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; CHECK-LABEL: ldur_half_sext_int_res0:
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; CHECK: // %bb.0:
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; CHECK-NEXT: ldp w9, w8, [x0, #-8]
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; CHECK-NEXT: // kill: def $w9 killed $w9 def $x9
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; CHECK-NEXT: sxtw x9, w9
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; CHECK-NEXT: add x0, x8, x9
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; CHECK-NEXT: ret
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%p1 = getelementptr inbounds i32, i32* %a, i32 -1
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%tmp1 = load i32, i32* %p1, align 2
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%p2 = getelementptr inbounds i32, i32* %a, i32 -2
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%tmp2 = load i32, i32* %p2, align 2
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%sexttmp1 = zext i32 %tmp1 to i64
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%sexttmp2 = sext i32 %tmp2 to i64
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%tmp3 = add i64 %sexttmp1, %sexttmp2
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ret i64 %tmp3
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}
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define i64 @ldur_half_sext_int_res1(i32* %a) nounwind {
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; CHECK-LABEL: ldur_half_sext_int_res1:
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; CHECK: // %bb.0:
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; CHECK-NEXT: ldp w9, w8, [x0, #-8]
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; CHECK-NEXT: // kill: def $w8 killed $w8 def $x8
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; CHECK-NEXT: sxtw x8, w8
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; CHECK-NEXT: add x0, x8, x9
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; CHECK-NEXT: ret
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%p1 = getelementptr inbounds i32, i32* %a, i32 -1
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%tmp1 = load i32, i32* %p1, align 2
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%p2 = getelementptr inbounds i32, i32* %a, i32 -2
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%tmp2 = load i32, i32* %p2, align 2
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%sexttmp1 = sext i32 %tmp1 to i64
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%sexttmp2 = zext i32 %tmp2 to i64
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%tmp3 = add i64 %sexttmp1, %sexttmp2
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ret i64 %tmp3
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}
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define i64 @ldur_long(i64* %a) nounwind ssp {
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; CHECK-LABEL: ldur_long:
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; CHECK: // %bb.0:
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; CHECK-NEXT: ldp x9, x8, [x0, #-16]
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; CHECK-NEXT: add x0, x8, x9
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; CHECK-NEXT: ret
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%p1 = getelementptr inbounds i64, i64* %a, i64 -1
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%tmp1 = load i64, i64* %p1, align 2
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%p2 = getelementptr inbounds i64, i64* %a, i64 -2
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%tmp2 = load i64, i64* %p2, align 2
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%tmp3 = add i64 %tmp1, %tmp2
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ret i64 %tmp3
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}
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define float @ldur_float(float* %a) {
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; CHECK-LABEL: ldur_float:
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; CHECK: // %bb.0:
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; CHECK-NEXT: ldp s1, s0, [x0, #-8]
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; CHECK-NEXT: fadd s0, s0, s1
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; CHECK-NEXT: ret
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%p1 = getelementptr inbounds float, float* %a, i64 -1
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%tmp1 = load float, float* %p1, align 2
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%p2 = getelementptr inbounds float, float* %a, i64 -2
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%tmp2 = load float, float* %p2, align 2
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%tmp3 = fadd float %tmp1, %tmp2
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ret float %tmp3
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}
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define double @ldur_double(double* %a) {
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; CHECK-LABEL: ldur_double:
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; CHECK: // %bb.0:
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; CHECK-NEXT: ldp d1, d0, [x0, #-16]
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; CHECK-NEXT: fadd d0, d0, d1
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; CHECK-NEXT: ret
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%p1 = getelementptr inbounds double, double* %a, i64 -1
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%tmp1 = load double, double* %p1, align 2
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%p2 = getelementptr inbounds double, double* %a, i64 -2
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%tmp2 = load double, double* %p2, align 2
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%tmp3 = fadd double %tmp1, %tmp2
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ret double %tmp3
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}
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define <2 x double> @ldur_doublex2(<2 x double>* %a) {
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; CHECK-LABEL: ldur_doublex2:
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; CHECK: // %bb.0:
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; CHECK-NEXT: ldp q1, q0, [x0, #-32]
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; CHECK-NEXT: fadd v0.2d, v0.2d, v1.2d
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; CHECK-NEXT: ret
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%p1 = getelementptr inbounds <2 x double>, <2 x double>* %a, i64 -1
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%tmp1 = load <2 x double>, <2 x double>* %p1, align 2
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%p2 = getelementptr inbounds <2 x double>, <2 x double>* %a, i64 -2
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%tmp2 = load <2 x double>, <2 x double>* %p2, align 2
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%tmp3 = fadd <2 x double> %tmp1, %tmp2
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ret <2 x double> %tmp3
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}
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; Now check some boundary conditions
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define i64 @pairUpBarelyIn(i64* %a) nounwind ssp {
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; CHECK-LABEL: pairUpBarelyIn:
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; CHECK: // %bb.0:
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; CHECK-NEXT: ldp x9, x8, [x0, #-256]
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; CHECK-NEXT: add x0, x8, x9
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; CHECK-NEXT: ret
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%p1 = getelementptr inbounds i64, i64* %a, i64 -31
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%tmp1 = load i64, i64* %p1, align 2
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%p2 = getelementptr inbounds i64, i64* %a, i64 -32
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%tmp2 = load i64, i64* %p2, align 2
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%tmp3 = add i64 %tmp1, %tmp2
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ret i64 %tmp3
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}
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define i64 @pairUpBarelyInSext(i32* %a) nounwind ssp {
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; CHECK-LABEL: pairUpBarelyInSext:
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; CHECK: // %bb.0:
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; CHECK-NEXT: ldpsw x9, x8, [x0, #-256]
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; CHECK-NEXT: add x0, x8, x9
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; CHECK-NEXT: ret
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%p1 = getelementptr inbounds i32, i32* %a, i64 -63
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%tmp1 = load i32, i32* %p1, align 2
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%p2 = getelementptr inbounds i32, i32* %a, i64 -64
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%tmp2 = load i32, i32* %p2, align 2
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%sexttmp1 = sext i32 %tmp1 to i64
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%sexttmp2 = sext i32 %tmp2 to i64
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%tmp3 = add i64 %sexttmp1, %sexttmp2
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ret i64 %tmp3
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}
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define i64 @pairUpBarelyInHalfSextRes0(i32* %a) nounwind ssp {
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; CHECK-LABEL: pairUpBarelyInHalfSextRes0:
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; CHECK: // %bb.0:
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; CHECK-NEXT: ldp w9, w8, [x0, #-256]
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; CHECK-NEXT: // kill: def $w9 killed $w9 def $x9
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; CHECK-NEXT: sxtw x9, w9
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; CHECK-NEXT: add x0, x8, x9
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; CHECK-NEXT: ret
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%p1 = getelementptr inbounds i32, i32* %a, i64 -63
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%tmp1 = load i32, i32* %p1, align 2
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%p2 = getelementptr inbounds i32, i32* %a, i64 -64
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%tmp2 = load i32, i32* %p2, align 2
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%sexttmp1 = zext i32 %tmp1 to i64
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%sexttmp2 = sext i32 %tmp2 to i64
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%tmp3 = add i64 %sexttmp1, %sexttmp2
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ret i64 %tmp3
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}
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define i64 @pairUpBarelyInHalfSextRes1(i32* %a) nounwind ssp {
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; CHECK-LABEL: pairUpBarelyInHalfSextRes1:
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; CHECK: // %bb.0:
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; CHECK-NEXT: ldp w9, w8, [x0, #-256]
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; CHECK-NEXT: // kill: def $w8 killed $w8 def $x8
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; CHECK-NEXT: sxtw x8, w8
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; CHECK-NEXT: add x0, x8, x9
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; CHECK-NEXT: ret
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%p1 = getelementptr inbounds i32, i32* %a, i64 -63
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%tmp1 = load i32, i32* %p1, align 2
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%p2 = getelementptr inbounds i32, i32* %a, i64 -64
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%tmp2 = load i32, i32* %p2, align 2
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%sexttmp1 = sext i32 %tmp1 to i64
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%sexttmp2 = zext i32 %tmp2 to i64
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%tmp3 = add i64 %sexttmp1, %sexttmp2
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ret i64 %tmp3
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}
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define i64 @pairUpBarelyOut(i64* %a) nounwind ssp {
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; Don't be fragile about which loads or manipulations of the base register
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; are used---just check that there isn't an ldp before the add
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; CHECK-LABEL: pairUpBarelyOut:
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; CHECK: // %bb.0:
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; CHECK-NEXT: sub x8, x0, #264
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; CHECK-NEXT: ldur x9, [x0, #-256]
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; CHECK-NEXT: ldr x8, [x8]
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; CHECK-NEXT: add x0, x9, x8
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; CHECK-NEXT: ret
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%p1 = getelementptr inbounds i64, i64* %a, i64 -32
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%tmp1 = load i64, i64* %p1, align 2
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%p2 = getelementptr inbounds i64, i64* %a, i64 -33
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%tmp2 = load i64, i64* %p2, align 2
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%tmp3 = add i64 %tmp1, %tmp2
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ret i64 %tmp3
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}
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define i64 @pairUpBarelyOutSext(i32* %a) nounwind ssp {
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; Don't be fragile about which loads or manipulations of the base register
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; are used---just check that there isn't an ldp before the add
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; CHECK-LABEL: pairUpBarelyOutSext:
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; CHECK: // %bb.0:
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; CHECK-NEXT: sub x8, x0, #260
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; CHECK-NEXT: ldursw x9, [x0, #-256]
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; CHECK-NEXT: ldrsw x8, [x8]
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; CHECK-NEXT: add x0, x9, x8
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; CHECK-NEXT: ret
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%p1 = getelementptr inbounds i32, i32* %a, i64 -64
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%tmp1 = load i32, i32* %p1, align 2
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%p2 = getelementptr inbounds i32, i32* %a, i64 -65
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%tmp2 = load i32, i32* %p2, align 2
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%sexttmp1 = sext i32 %tmp1 to i64
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%sexttmp2 = sext i32 %tmp2 to i64
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%tmp3 = add i64 %sexttmp1, %sexttmp2
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ret i64 %tmp3
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}
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define i64 @pairUpNotAligned(i64* %a) nounwind ssp {
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; CHECK-LABEL: pairUpNotAligned:
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; CHECK: // %bb.0:
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; CHECK-NEXT: ldur x8, [x0, #-143]
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; CHECK-NEXT: ldur x9, [x0, #-135]
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; CHECK-NEXT: add x0, x8, x9
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; CHECK-NEXT: ret
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%p1 = getelementptr inbounds i64, i64* %a, i64 -18
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%bp1 = bitcast i64* %p1 to i8*
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%bp1p1 = getelementptr inbounds i8, i8* %bp1, i64 1
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%dp1 = bitcast i8* %bp1p1 to i64*
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%tmp1 = load i64, i64* %dp1, align 1
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%p2 = getelementptr inbounds i64, i64* %a, i64 -17
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%bp2 = bitcast i64* %p2 to i8*
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%bp2p1 = getelementptr inbounds i8, i8* %bp2, i64 1
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%dp2 = bitcast i8* %bp2p1 to i64*
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%tmp2 = load i64, i64* %dp2, align 1
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%tmp3 = add i64 %tmp1, %tmp2
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ret i64 %tmp3
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}
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define i64 @pairUpNotAlignedSext(i32* %a) nounwind ssp {
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; CHECK-LABEL: pairUpNotAlignedSext:
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; CHECK: // %bb.0:
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; CHECK-NEXT: ldursw x8, [x0, #-71]
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; CHECK-NEXT: ldursw x9, [x0, #-67]
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; CHECK-NEXT: add x0, x8, x9
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; CHECK-NEXT: ret
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%p1 = getelementptr inbounds i32, i32* %a, i64 -18
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%bp1 = bitcast i32* %p1 to i8*
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%bp1p1 = getelementptr inbounds i8, i8* %bp1, i64 1
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%dp1 = bitcast i8* %bp1p1 to i32*
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%tmp1 = load i32, i32* %dp1, align 1
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%p2 = getelementptr inbounds i32, i32* %a, i64 -17
|
|
%bp2 = bitcast i32* %p2 to i8*
|
|
%bp2p1 = getelementptr inbounds i8, i8* %bp2, i64 1
|
|
%dp2 = bitcast i8* %bp2p1 to i32*
|
|
%tmp2 = load i32, i32* %dp2, align 1
|
|
|
|
%sexttmp1 = sext i32 %tmp1 to i64
|
|
%sexttmp2 = sext i32 %tmp2 to i64
|
|
%tmp3 = add i64 %sexttmp1, %sexttmp2
|
|
ret i64 %tmp3
|
|
}
|
|
|
|
declare void @use-ptr(i32*)
|
|
|
|
define i64 @ldp_sext_int_pre(i32* %p) nounwind {
|
|
; CHECK-LABEL: ldp_sext_int_pre:
|
|
; CHECK: // %bb.0:
|
|
; CHECK-NEXT: stp x30, x19, [sp, #-16]! // 16-byte Folded Spill
|
|
; CHECK-NEXT: mov x19, x0
|
|
; CHECK-NEXT: add x0, x0, #8
|
|
; CHECK-NEXT: bl "use-ptr"
|
|
; CHECK-NEXT: ldpsw x8, x9, [x19, #8]
|
|
; CHECK-NEXT: add x0, x9, x8
|
|
; CHECK-NEXT: ldp x30, x19, [sp], #16 // 16-byte Folded Reload
|
|
; CHECK-NEXT: ret
|
|
%ptr = getelementptr inbounds i32, i32* %p, i64 2
|
|
call void @use-ptr(i32* %ptr)
|
|
%add.ptr = getelementptr inbounds i32, i32* %ptr, i64 0
|
|
%tmp = load i32, i32* %add.ptr, align 4
|
|
%add.ptr1 = getelementptr inbounds i32, i32* %ptr, i64 1
|
|
%tmp1 = load i32, i32* %add.ptr1, align 4
|
|
%sexttmp = sext i32 %tmp to i64
|
|
%sexttmp1 = sext i32 %tmp1 to i64
|
|
%add = add nsw i64 %sexttmp1, %sexttmp
|
|
ret i64 %add
|
|
}
|
|
|
|
define i64 @ldp_sext_int_post(i32* %p) nounwind {
|
|
; CHECK-LABEL: ldp_sext_int_post:
|
|
; CHECK: // %bb.0:
|
|
; CHECK-NEXT: str x30, [sp, #-32]! // 8-byte Folded Spill
|
|
; CHECK-NEXT: add x8, x0, #8
|
|
; CHECK-NEXT: stp x20, x19, [sp, #16] // 16-byte Folded Spill
|
|
; CHECK-NEXT: ldpsw x19, x20, [x0]
|
|
; CHECK-NEXT: mov x0, x8
|
|
; CHECK-NEXT: bl "use-ptr"
|
|
; CHECK-NEXT: add x0, x20, x19
|
|
; CHECK-NEXT: ldp x20, x19, [sp, #16] // 16-byte Folded Reload
|
|
; CHECK-NEXT: ldr x30, [sp], #32 // 8-byte Folded Reload
|
|
; CHECK-NEXT: ret
|
|
%tmp = load i32, i32* %p, align 4
|
|
%add.ptr = getelementptr inbounds i32, i32* %p, i64 1
|
|
%tmp1 = load i32, i32* %add.ptr, align 4
|
|
%sexttmp = sext i32 %tmp to i64
|
|
%sexttmp1 = sext i32 %tmp1 to i64
|
|
%ptr = getelementptr inbounds i32, i32* %add.ptr, i64 1
|
|
call void @use-ptr(i32* %ptr)
|
|
%add = add nsw i64 %sexttmp1, %sexttmp
|
|
ret i64 %add
|
|
}
|
|
|