| ; RUN: llc < %s -mtriple=i386-apple-macosx | FileCheck %s --check-prefix=X32 |
| ; RUN: llc < %s -mtriple=x86_64-apple-macosx | FileCheck %s --check-prefix=X64 |
| |
| define i32 @t1(i32 %t, i32 %val) nounwind { |
| ; X32: t1: |
| ; X32-NOT: andl |
| ; X32: shll |
| |
| ; X64: t1: |
| ; X64-NOT: andl |
| ; X64: shll |
| %shamt = and i32 %t, 31 |
| %res = shl i32 %val, %shamt |
| ret i32 %res |
| } |
| |
| define i32 @t2(i32 %t, i32 %val) nounwind { |
| ; X32: t2: |
| ; X32-NOT: andl |
| ; X32: shll |
| |
| ; X64: t2: |
| ; X64-NOT: andl |
| ; X64: shll |
| %shamt = and i32 %t, 63 |
| %res = shl i32 %val, %shamt |
| ret i32 %res |
| } |
| |
| @X = internal global i16 0 |
| |
| define void @t3(i16 %t) nounwind { |
| ; X32: t3: |
| ; X32-NOT: andl |
| ; X32: sarw |
| |
| ; X64: t3: |
| ; X64-NOT: andl |
| ; X64: sarw |
| %shamt = and i16 %t, 31 |
| %tmp = load i16* @X |
| %tmp1 = ashr i16 %tmp, %shamt |
| store i16 %tmp1, i16* @X |
| ret void |
| } |
| |
| define i64 @t4(i64 %t, i64 %val) nounwind { |
| ; X64: t4: |
| ; X64-NOT: and |
| ; X64: shrq |
| %shamt = and i64 %t, 63 |
| %res = lshr i64 %val, %shamt |
| ret i64 %res |
| } |
| |
| define i64 @t5(i64 %t, i64 %val) nounwind { |
| ; X64: t5: |
| ; X64-NOT: and |
| ; X64: shrq |
| %shamt = and i64 %t, 191 |
| %res = lshr i64 %val, %shamt |
| ret i64 %res |
| } |
| |
| |
| ; rdar://11866926 |
| define i64 @t6(i64 %key, i64* nocapture %val) nounwind { |
| entry: |
| ; X64: t6: |
| ; X64-NOT: movabsq |
| ; X64: decq |
| ; X64: andq |
| %shr = lshr i64 %key, 3 |
| %0 = load i64* %val, align 8 |
| %sub = add i64 %0, 2305843009213693951 |
| %and = and i64 %sub, %shr |
| ret i64 %and |
| } |