1*9880d681SAndroid Build Coastguard Worker; RUN: llc -march=ppc64 -mcpu=g5 -mtriple=powerpc64-apple-darwin < %s | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker; Check that the peephole optimizer knows about sext and zext instructions. 3*9880d681SAndroid Build Coastguard Worker; CHECK: test1sext 4*9880d681SAndroid Build Coastguard Workerdefine i32 @test1sext(i64 %A, i64 %B, i32* %P, i64 *%P2) nounwind { 5*9880d681SAndroid Build Coastguard Worker %C = add i64 %A, %B 6*9880d681SAndroid Build Coastguard Worker ; CHECK: add [[SUM:r[0-9]+]], r3, r4 7*9880d681SAndroid Build Coastguard Worker %D = trunc i64 %C to i32 8*9880d681SAndroid Build Coastguard Worker %E = shl i64 %C, 32 9*9880d681SAndroid Build Coastguard Worker %F = ashr i64 %E, 32 10*9880d681SAndroid Build Coastguard Worker ; CHECK: extsw [[EXT:r[0-9]+]], [[SUM]] 11*9880d681SAndroid Build Coastguard Worker store volatile i64 %F, i64 *%P2 12*9880d681SAndroid Build Coastguard Worker ; CHECK: std [[EXT]] 13*9880d681SAndroid Build Coastguard Worker store volatile i32 %D, i32* %P 14*9880d681SAndroid Build Coastguard Worker ; Reuse low bits of extended register, don't extend live range of SUM. 15*9880d681SAndroid Build Coastguard Worker ; CHECK: stw [[EXT]] 16*9880d681SAndroid Build Coastguard Worker %R = add i32 %D, %D 17*9880d681SAndroid Build Coastguard Worker ret i32 %R 18*9880d681SAndroid Build Coastguard Worker} 19