1 ; RUN: llc < %s -mtriple=i686-unknown-linux-gnu | FileCheck %s -check-prefix=X86 2 ; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu | FileCheck %s -check-prefix=X64 3 ; RUN: llc < %s -mtriple=x86_64-linux-gnux32 | FileCheck %s -check-prefix=X32 4 5 define zeroext i8 @foo() nounwind ssp { 6 entry: 7 %0 = tail call zeroext i16 (...) @bar() nounwind 8 %1 = lshr i16 %0, 8 9 %2 = trunc i16 %1 to i8 10 ret i8 %2 11 12 ; X86-LABEL: foo 13 ; X86: calll 14 ; X86-NEXT: movb %ah, %al 15 ; X86-NEXT: addl $12, %esp 16 ; X86-NEXT: retl 17 18 ; X64-LABEL: foo 19 ; X64: callq 20 ; X64-NEXT: # kill 21 ; X64-NEXT: shrl $8, %eax 22 ; X64-NEXT: # kill 23 ; X64-NEXT: popq 24 ; X64-NEXT: retq 25 26 ; X32-LABEL: foo 27 ; X32: callq 28 ; X32-NEXT: # kill 29 ; X32-NEXT: shrl $8, %eax 30 ; X32-NEXT: # kill 31 ; X32-NEXT: popq 32 ; X32-NEXT: retq 33 } 34 35 declare zeroext i16 @bar(...) 36
