1 ; RUN: llc < %s -mtriple=i386-apple-macosx | FileCheck %s --check-prefix=X32 2 ; RUN: llc < %s -mtriple=x86_64-apple-macosx | FileCheck %s --check-prefix=X64 3 4 define i32 @t1(i32 %t, i32 %val) nounwind { 5 ; X32-LABEL: t1: 6 ; X32-NOT: andl 7 ; X32: shll 8 9 ; X64-LABEL: t1: 10 ; X64-NOT: andl 11 ; X64: shll 12 %shamt = and i32 %t, 31 13 %res = shl i32 %val, %shamt 14 ret i32 %res 15 } 16 17 define i32 @t2(i32 %t, i32 %val) nounwind { 18 ; X32-LABEL: t2: 19 ; X32-NOT: andl 20 ; X32: shll 21 22 ; X64-LABEL: t2: 23 ; X64-NOT: andl 24 ; X64: shll 25 %shamt = and i32 %t, 63 26 %res = shl i32 %val, %shamt 27 ret i32 %res 28 } 29 30 @X = internal global i16 0 31 32 define void @t3(i16 %t) nounwind { 33 ; X32-LABEL: t3: 34 ; X32-NOT: andl 35 ; X32: sarw 36 37 ; X64-LABEL: t3: 38 ; X64-NOT: andl 39 ; X64: sarw 40 %shamt = and i16 %t, 31 41 %tmp = load i16, i16* @X 42 %tmp1 = ashr i16 %tmp, %shamt 43 store i16 %tmp1, i16* @X 44 ret void 45 } 46 47 define i64 @t4(i64 %t, i64 %val) nounwind { 48 ; X64-LABEL: t4: 49 ; X64-NOT: and 50 ; X64: shrq 51 %shamt = and i64 %t, 63 52 %res = lshr i64 %val, %shamt 53 ret i64 %res 54 } 55 56 define i64 @t5(i64 %t, i64 %val) nounwind { 57 ; X64-LABEL: t5: 58 ; X64-NOT: and 59 ; X64: shrq 60 %shamt = and i64 %t, 191 61 %res = lshr i64 %val, %shamt 62 ret i64 %res 63 } 64 65 66 ; rdar://11866926 67 define i64 @t6(i64 %key, i64* nocapture %val) nounwind { 68 entry: 69 ; X64-LABEL: t6: 70 ; X64-NOT: movabsq 71 ; X64: decq 72 ; X64: andq 73 %shr = lshr i64 %key, 3 74 %0 = load i64, i64* %val, align 8 75 %sub = add i64 %0, 2305843009213693951 76 %and = and i64 %sub, %shr 77 ret i64 %and 78 } 79
