diff options
Diffstat (limited to 'test/CodeGen/X86/pr11985.ll')
| -rw-r--r-- | test/CodeGen/X86/pr11985.ll | 30 |
1 files changed, 23 insertions, 7 deletions
diff --git a/test/CodeGen/X86/pr11985.ll b/test/CodeGen/X86/pr11985.ll index fa378502f724a..aae00de112d38 100644 --- a/test/CodeGen/X86/pr11985.ll +++ b/test/CodeGen/X86/pr11985.ll @@ -1,6 +1,28 @@ -; RUN: llc < %s -mtriple=x86_64-pc-linux -mcpu=prescott | FileCheck %s +; RUN: llc < %s -mtriple=x86_64-pc-linux -mcpu=prescott | FileCheck %s --check-prefix=PRESCOTT +; RUN: llc < %s -mtriple=x86_64-pc-linux -mcpu=nehalem | FileCheck %s --check-prefix=NEHALEM + +;;; TODO: (1) Some of the loads and stores are certainly unaligned and (2) the first load and first +;;; store overlap with the second load and second store respectively. +;;; +;;; Is either of these sequences ideal? define float @foo(i8* nocapture %buf, float %a, float %b) nounwind uwtable { +; PRESCOTT-LABEL: foo: +; PRESCOTT: # BB#0: # %entry +; PRESCOTT-NEXT: movq .Ltmp0+14(%rip), %rax +; PRESCOTT-NEXT: movq %rax, 14(%rdi) +; PRESCOTT-NEXT: movq .Ltmp0+8(%rip), %rax +; PRESCOTT-NEXT: movq %rax, 8(%rdi) +; PRESCOTT-NEXT: movq .Ltmp0(%rip), %rax +; PRESCOTT-NEXT: movq %rax, (%rdi) +; +; NEHALEM-LABEL: foo: +; NEHALEM: # BB#0: # %entry +; NEHALEM-NEXT: movq .Ltmp0+14(%rip), %rax +; NEHALEM-NEXT: movq %rax, 14(%rdi) +; NEHALEM-NEXT: movups .Ltmp0(%rip), %xmm2 +; NEHALEM-NEXT: movups %xmm2, (%rdi) + entry: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %buf, i8* blockaddress(@foo, %out), i64 22, i32 1, i1 false) br label %out @@ -8,12 +30,6 @@ entry: out: ; preds = %entry %add = fadd float %a, %b ret float %add -; CHECK: foo -; CHECK: movw .L{{.*}}+20(%rip), %{{.*}} -; CHECK: movl .L{{.*}}+16(%rip), %{{.*}} -; CHECK: movq .L{{.*}}+8(%rip), %{{.*}} -; CHECK: movq .L{{.*}}(%rip), %{{.*}} -; CHECK: ret } declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind |