; 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-LABEL: t1: | |
; X32-NOT: andl | |
; X32: shll | |
; X64-LABEL: 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-LABEL: t2: | |
; X32-NOT: andl | |
; X32: shll | |
; X64-LABEL: 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-LABEL: t3: | |
; X32-NOT: andl | |
; X32: sarw | |
; X64-LABEL: t3: | |
; X64-NOT: andl | |
; X64: sarw | |
%shamt = and i16 %t, 31 | |
%tmp = load i16, i16* @X | |
%tmp1 = ashr i16 %tmp, %shamt | |
store i16 %tmp1, i16* @X | |
ret void | |
} | |
define i64 @t4(i64 %t, i64 %val) nounwind { | |
; X64-LABEL: 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-LABEL: 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-LABEL: t6: | |
; X64-NOT: movabsq | |
; X64: decq | |
; X64: andq | |
%shr = lshr i64 %key, 3 | |
%0 = load i64, i64* %val, align 8 | |
%sub = add i64 %0, 2305843009213693951 | |
%and = and i64 %sub, %shr | |
ret i64 %and | |
} |