diff options
Diffstat (limited to 'llvm/test/CodeGen/X86/shift_minsize.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/shift_minsize.ll | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/shift_minsize.ll b/llvm/test/CodeGen/X86/shift_minsize.ll new file mode 100644 index 00000000000..5ba46544645 --- /dev/null +++ b/llvm/test/CodeGen/X86/shift_minsize.ll @@ -0,0 +1,134 @@ +; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py +; RUN: llc < %s -mtriple=x86_64-unknown | FileCheck %s + +define i64 @f0(i64 %val, i64 %amt) minsize optsize { +; CHECK-LABEL: f0: +; CHECK: # %bb.0: +; CHECK-NEXT: movq %rsi, %rcx +; CHECK-NEXT: movq %rdi, %rax +; CHECK-NEXT: # kill: def $cl killed $cl killed $rcx +; CHECK-NEXT: shlq %cl, %rax +; CHECK-NEXT: retq + %res = shl i64 %val, %amt + ret i64 %res +} + +define i32 @f1(i64 %x, i64 %y) minsize optsize { +; CHECK-LABEL: f1: +; CHECK: # %bb.0: +; CHECK-NEXT: movq %rsi, %rcx +; CHECK-NEXT: movq %rdi, %rax +; CHECK-NEXT: # kill: def $cl killed $cl killed $rcx +; CHECK-NEXT: shlq %cl, %rax +; CHECK-NEXT: # kill: def $eax killed $eax killed $rax +; CHECK-NEXT: retq + %a = shl i64 %x, %y + %b = trunc i64 %a to i32 + ret i32 %b +} + +define i32 @f2(i64 %x, i64 %y) minsize optsize { +; CHECK-LABEL: f2: +; CHECK: # %bb.0: +; CHECK-NEXT: movq %rsi, %rcx +; CHECK-NEXT: movq %rdi, %rax +; CHECK-NEXT: # kill: def $cl killed $cl killed $rcx +; CHECK-NEXT: sarq %cl, %rax +; CHECK-NEXT: # kill: def $eax killed $eax killed $rax +; CHECK-NEXT: retq + %a = ashr i64 %x, %y + %b = trunc i64 %a to i32 + ret i32 %b +} + +define i32 @f3(i64 %x, i64 %y) minsize optsize { +; CHECK-LABEL: f3: +; CHECK: # %bb.0: +; CHECK-NEXT: movq %rsi, %rcx +; CHECK-NEXT: movq %rdi, %rax +; CHECK-NEXT: # kill: def $cl killed $cl killed $rcx +; CHECK-NEXT: shrq %cl, %rax +; CHECK-NEXT: # kill: def $eax killed $eax killed $rax +; CHECK-NEXT: retq + %a = lshr i64 %x, %y + %b = trunc i64 %a to i32 + ret i32 %b +} + +define dso_local { i64, i64 } @shl128(i64 %x.coerce0, i64 %x.coerce1, i8 signext %y) minsize optsize { +; CHECK-LABEL: shl128: +; CHECK: # %bb.0: # %entry +; CHECK-NEXT: pushq %rax +; CHECK-NEXT: .cfi_def_cfa_offset 16 +; CHECK-NEXT: movzbl %dl, %edx +; CHECK-NEXT: callq __ashlti3 +; CHECK-NEXT: popq %rcx +; CHECK-NEXT: .cfi_def_cfa_offset 8 +; CHECK-NEXT: retq +entry: + %x.sroa.2.0.insert.ext = zext i64 %x.coerce1 to i128 + %x.sroa.2.0.insert.shift = shl nuw i128 %x.sroa.2.0.insert.ext, 64 + %x.sroa.0.0.insert.ext = zext i64 %x.coerce0 to i128 + %x.sroa.0.0.insert.insert = or i128 %x.sroa.2.0.insert.shift, %x.sroa.0.0.insert.ext + %conv = sext i8 %y to i32 + %sh_prom = zext i32 %conv to i128 + %shl = shl i128 %x.sroa.0.0.insert.insert, %sh_prom + %retval.sroa.0.0.extract.trunc = trunc i128 %shl to i64 + %retval.sroa.2.0.extract.shift = lshr i128 %shl, 64 + %retval.sroa.2.0.extract.trunc = trunc i128 %retval.sroa.2.0.extract.shift to i64 + %.fca.0.insert = insertvalue { i64, i64 } undef, i64 %retval.sroa.0.0.extract.trunc, 0 + %.fca.1.insert = insertvalue { i64, i64 } %.fca.0.insert, i64 %retval.sroa.2.0.extract.trunc, 1 + ret { i64, i64 } %.fca.1.insert +} + +define dso_local { i64, i64 } @ashr128(i64 %x.coerce0, i64 %x.coerce1, i8 signext %y) minsize optsize { +; CHECK-LABEL: ashr128: +; CHECK: # %bb.0: # %entry +; CHECK-NEXT: pushq %rax +; CHECK-NEXT: .cfi_def_cfa_offset 16 +; CHECK-NEXT: callq __ashrti3 +; CHECK-NEXT: popq %rcx +; CHECK-NEXT: .cfi_def_cfa_offset 8 +; CHECK-NEXT: retq +entry: + %x.sroa.2.0.insert.ext = zext i64 %x.coerce1 to i128 + %x.sroa.2.0.insert.shift = shl nuw i128 %x.sroa.2.0.insert.ext, 64 + %x.sroa.0.0.insert.ext = zext i64 %x.coerce0 to i128 + %x.sroa.0.0.insert.insert = or i128 %x.sroa.2.0.insert.shift, %x.sroa.0.0.insert.ext + %conv = sext i8 %y to i32 + %sh_prom = zext i32 %conv to i128 + %shr = ashr i128 %x.sroa.0.0.insert.insert, %sh_prom + %retval.sroa.0.0.extract.trunc = trunc i128 %shr to i64 + %retval.sroa.2.0.extract.shift = lshr i128 %shr, 64 + %retval.sroa.2.0.extract.trunc = trunc i128 %retval.sroa.2.0.extract.shift to i64 + %.fca.0.insert = insertvalue { i64, i64 } undef, i64 %retval.sroa.0.0.extract.trunc, 0 + %.fca.1.insert = insertvalue { i64, i64 } %.fca.0.insert, i64 %retval.sroa.2.0.extract.trunc, 1 + ret { i64, i64 } %.fca.1.insert +} + +define dso_local { i64, i64 } @lshr128(i64 %x.coerce0, i64 %x.coerce1, i8 signext %y) minsize optsize { +; CHECK-LABEL: lshr128: +; CHECK: # %bb.0: # %entry +; CHECK-NEXT: pushq %rax +; CHECK-NEXT: .cfi_def_cfa_offset 16 +; CHECK-NEXT: movzbl %dl, %edx +; CHECK-NEXT: callq __lshrti3 +; CHECK-NEXT: popq %rcx +; CHECK-NEXT: .cfi_def_cfa_offset 8 +; CHECK-NEXT: retq +entry: + %x.sroa.2.0.insert.ext = zext i64 %x.coerce1 to i128 + %x.sroa.2.0.insert.shift = shl nuw i128 %x.sroa.2.0.insert.ext, 64 + %x.sroa.0.0.insert.ext = zext i64 %x.coerce0 to i128 + %x.sroa.0.0.insert.insert = or i128 %x.sroa.2.0.insert.shift, %x.sroa.0.0.insert.ext + %conv = sext i8 %y to i32 + %sh_prom = zext i32 %conv to i128 + %shr = lshr i128 %x.sroa.0.0.insert.insert, %sh_prom + %retval.sroa.0.0.extract.trunc = trunc i128 %shr to i64 + %retval.sroa.2.0.extract.shift = lshr i128 %shr, 64 + %retval.sroa.2.0.extract.trunc = trunc i128 %retval.sroa.2.0.extract.shift to i64 + %.fca.0.insert = insertvalue { i64, i64 } undef, i64 %retval.sroa.0.0.extract.trunc, 0 + %.fca.1.insert = insertvalue { i64, i64 } %.fca.0.insert, i64 %retval.sroa.2.0.extract.trunc, 1 + ret { i64, i64 } %.fca.1.insert +} + |
