rotl-2.ll
1.62 KB
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -verify-machineinstrs < %s -mtriple=ppc32-- | FileCheck %s
define i32 @rotl32(i32 %A, i8 %Amt) nounwind {
; CHECK-LABEL: rotl32:
; CHECK: # %bb.0:
; CHECK-NEXT: rotlw 3, 3, 4
; CHECK-NEXT: blr
%shift.upgrd.1 = zext i8 %Amt to i32 ; <i32> [#uses=1]
%B = shl i32 %A, %shift.upgrd.1 ; <i32> [#uses=1]
%Amt2 = sub i8 32, %Amt ; <i8> [#uses=1]
%shift.upgrd.2 = zext i8 %Amt2 to i32 ; <i32> [#uses=1]
%C = lshr i32 %A, %shift.upgrd.2 ; <i32> [#uses=1]
%D = or i32 %B, %C ; <i32> [#uses=1]
ret i32 %D
}
define i32 @rotr32(i32 %A, i8 %Amt) nounwind {
; CHECK-LABEL: rotr32:
; CHECK: # %bb.0:
; CHECK-NEXT: subfic 4, 4, 32
; CHECK-NEXT: rotlw 3, 3, 4
; CHECK-NEXT: blr
%shift.upgrd.3 = zext i8 %Amt to i32 ; <i32> [#uses=1]
%B = lshr i32 %A, %shift.upgrd.3 ; <i32> [#uses=1]
%Amt2 = sub i8 32, %Amt ; <i8> [#uses=1]
%shift.upgrd.4 = zext i8 %Amt2 to i32 ; <i32> [#uses=1]
%C = shl i32 %A, %shift.upgrd.4 ; <i32> [#uses=1]
%D = or i32 %B, %C ; <i32> [#uses=1]
ret i32 %D
}
define i32 @rotli32(i32 %A) nounwind {
; CHECK-LABEL: rotli32:
; CHECK: # %bb.0:
; CHECK-NEXT: rotlwi 3, 3, 5
; CHECK-NEXT: blr
%B = shl i32 %A, 5 ; <i32> [#uses=1]
%C = lshr i32 %A, 27 ; <i32> [#uses=1]
%D = or i32 %B, %C ; <i32> [#uses=1]
ret i32 %D
}
define i32 @rotri32(i32 %A) nounwind {
; CHECK-LABEL: rotri32:
; CHECK: # %bb.0:
; CHECK-NEXT: rotlwi 3, 3, 27
; CHECK-NEXT: blr
%B = lshr i32 %A, 5 ; <i32> [#uses=1]
%C = shl i32 %A, 27 ; <i32> [#uses=1]
%D = or i32 %B, %C ; <i32> [#uses=1]
ret i32 %D
}