| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc %s -mtriple=x86_64-unknown-linux-gnu -mcpu=corei7 -o - | FileCheck %s |
| |
| |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| define void @merge_double(double* noalias nocapture %st, double* noalias nocapture readonly %ld) #0 { |
| ; CHECK-LABEL: merge_double: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero |
| ; CHECK-NEXT: movsd {{.*#+}} xmm1 = mem[0],zero |
| ; CHECK-NEXT: movsd %xmm0, (%rdi) |
| ; CHECK-NEXT: movsd %xmm1, 8(%rdi) |
| ; CHECK-NEXT: movsd %xmm0, 16(%rdi) |
| ; CHECK-NEXT: movsd %xmm1, 24(%rdi) |
| ; CHECK-NEXT: retq |
| %ld_idx1 = getelementptr inbounds double, double* %ld, i64 1 |
| %ld0 = load double, double* %ld, align 8, !tbaa !2 |
| %ld1 = load double, double* %ld_idx1, align 8, !tbaa !2 |
| |
| %st_idx1 = getelementptr inbounds double, double* %st, i64 1 |
| %st_idx2 = getelementptr inbounds double, double* %st, i64 2 |
| %st_idx3 = getelementptr inbounds double, double* %st, i64 3 |
| |
| store double %ld0, double* %st, align 8, !tbaa !2 |
| store double %ld1, double* %st_idx1, align 8, !tbaa !2 |
| store double %ld0, double* %st_idx2, align 8, !tbaa !2 |
| store double %ld1, double* %st_idx3, align 8, !tbaa !2 |
| ret void |
| } |
| |
| define void @merge_loadstore_int(i64* noalias nocapture readonly %p, i64* noalias nocapture %q) local_unnamed_addr #0 { |
| ; CHECK-LABEL: merge_loadstore_int: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: movq (%rdi), %rax |
| ; CHECK-NEXT: movq 8(%rdi), %rcx |
| ; CHECK-NEXT: movq %rax, (%rsi) |
| ; CHECK-NEXT: movq %rcx, 8(%rsi) |
| ; CHECK-NEXT: movq %rax, 16(%rsi) |
| ; CHECK-NEXT: movq %rcx, 24(%rsi) |
| ; CHECK-NEXT: retq |
| entry: |
| %0 = load i64, i64* %p, align 8, !tbaa !1 |
| %arrayidx1 = getelementptr inbounds i64, i64* %p, i64 1 |
| %1 = load i64, i64* %arrayidx1, align 8, !tbaa !1 |
| store i64 %0, i64* %q, align 8, !tbaa !1 |
| %arrayidx3 = getelementptr inbounds i64, i64* %q, i64 1 |
| store i64 %1, i64* %arrayidx3, align 8, !tbaa !1 |
| %arrayidx4 = getelementptr inbounds i64, i64* %q, i64 2 |
| store i64 %0, i64* %arrayidx4, align 8, !tbaa !1 |
| %arrayidx5 = getelementptr inbounds i64, i64* %q, i64 3 |
| store i64 %1, i64* %arrayidx5, align 8, !tbaa !1 |
| ret void |
| } |
| |
| define i64 @merge_loadstore_int_with_extra_use(i64* noalias nocapture readonly %p, i64* noalias nocapture %q) local_unnamed_addr #0 { |
| ; CHECK-LABEL: merge_loadstore_int_with_extra_use: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: movq (%rdi), %rax |
| ; CHECK-NEXT: movq 8(%rdi), %rcx |
| ; CHECK-NEXT: movq %rax, (%rsi) |
| ; CHECK-NEXT: movq %rcx, 8(%rsi) |
| ; CHECK-NEXT: movq %rax, 16(%rsi) |
| ; CHECK-NEXT: movq %rcx, 24(%rsi) |
| ; CHECK-NEXT: retq |
| entry: |
| %0 = load i64, i64* %p, align 8, !tbaa !1 |
| %arrayidx1 = getelementptr inbounds i64, i64* %p, i64 1 |
| %1 = load i64, i64* %arrayidx1, align 8, !tbaa !1 |
| store i64 %0, i64* %q, align 8, !tbaa !1 |
| %arrayidx3 = getelementptr inbounds i64, i64* %q, i64 1 |
| store i64 %1, i64* %arrayidx3, align 8, !tbaa !1 |
| %arrayidx4 = getelementptr inbounds i64, i64* %q, i64 2 |
| store i64 %0, i64* %arrayidx4, align 8, !tbaa !1 |
| %arrayidx5 = getelementptr inbounds i64, i64* %q, i64 3 |
| store i64 %1, i64* %arrayidx5, align 8, !tbaa !1 |
| ret i64 %0 |
| |
| } |
| |
| attributes #0 = { "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" } |
| |
| |
| !0 = !{!"clang version 5.0.0 (trunk 296467) (llvm/trunk 296476)"} |
| !1 = !{!2, !2, i64 0} |
| !2 = !{!"double", !3, i64 0} |
| !3 = !{!"omnipotent char", !4, i64 0} |
| !4 = !{!"Simple C/C++ TBAA"} |