diff options
Diffstat (limited to 'test/CodeGen/X86/x86-64-double-shifts-var.ll')
| -rw-r--r-- | test/CodeGen/X86/x86-64-double-shifts-var.ll | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/test/CodeGen/X86/x86-64-double-shifts-var.ll b/test/CodeGen/X86/x86-64-double-shifts-var.ll deleted file mode 100644 index c025ee874b2d..000000000000 --- a/test/CodeGen/X86/x86-64-double-shifts-var.ll +++ /dev/null @@ -1,60 +0,0 @@ -; RUN: llc < %s -march=x86-64 -mcpu=athlon | FileCheck %s -; RUN: llc < %s -march=x86-64 -mcpu=athlon-tbird | FileCheck %s -; RUN: llc < %s -march=x86-64 -mcpu=athlon-4 | FileCheck %s -; RUN: llc < %s -march=x86-64 -mcpu=athlon-xp | FileCheck %s -; RUN: llc < %s -march=x86-64 -mcpu=athlon-mp | FileCheck %s -; RUN: llc < %s -march=x86-64 -mcpu=k8 | FileCheck %s -; RUN: llc < %s -march=x86-64 -mcpu=opteron | FileCheck %s -; RUN: llc < %s -march=x86-64 -mcpu=athlon64 | FileCheck %s -; RUN: llc < %s -march=x86-64 -mcpu=athlon-fx | FileCheck %s -; RUN: llc < %s -march=x86-64 -mcpu=k8-sse3 | FileCheck %s -; RUN: llc < %s -march=x86-64 -mcpu=opteron-sse3 | FileCheck %s -; RUN: llc < %s -march=x86-64 -mcpu=athlon64-sse3 | FileCheck %s -; RUN: llc < %s -march=x86-64 -mcpu=amdfam10 | FileCheck %s -; RUN: llc < %s -march=x86-64 -mcpu=btver1 | FileCheck %s -; RUN: llc < %s -march=x86-64 -mcpu=btver2 | FileCheck %s -; RUN: llc < %s -march=x86-64 -mcpu=bdver1 | FileCheck %s -; RUN: llc < %s -march=x86-64 -mcpu=bdver2 | FileCheck %s -; RUN: llc < %s -march=x86-64 -mcpu=bdver3 | FileCheck %s -; RUN: llc < %s -march=x86-64 -mcpu=bdver4 | FileCheck %s -; RUN: llc < %s -march=x86-64 -mcpu=znver1 | FileCheck %s - -; Verify that for the X86_64 processors that are known to have poor latency -; double precision shift instructions we do not generate 'shld' or 'shrd' -; instructions. - -;uint64_t lshift(uint64_t a, uint64_t b, int c) -;{ -; return (a << c) | (b >> (64-c)); -;} - -define i64 @lshift(i64 %a, i64 %b, i32 %c) nounwind readnone { -entry: -; CHECK-NOT: shld - %sh_prom = zext i32 %c to i64 - %shl = shl i64 %a, %sh_prom - %sub = sub nsw i32 64, %c - %sh_prom1 = zext i32 %sub to i64 - %shr = lshr i64 %b, %sh_prom1 - %or = or i64 %shr, %shl - ret i64 %or -} - -;uint64_t rshift(uint64_t a, uint64_t b, int c) -;{ -; return (a >> c) | (b << (64-c)); -;} - -define i64 @rshift(i64 %a, i64 %b, i32 %c) nounwind readnone { -entry: -; CHECK-NOT: shrd - %sh_prom = zext i32 %c to i64 - %shr = lshr i64 %a, %sh_prom - %sub = sub nsw i32 64, %c - %sh_prom1 = zext i32 %sub to i64 - %shl = shl i64 %b, %sh_prom1 - %or = or i64 %shl, %shr - ret i64 %or -} - - |
