llvm-project/llvm/test/CodeGen/Hexagon/constp-rseq.ll

20 lines
409 B
LLVM

; RUN: llc -march=hexagon < %s | FileCheck %s
; CHECK: cmp
; Make sure that the result is not a compile-time constant.
define i64 @foo(i32 %x) {
entry:
%c = icmp slt i32 %x, 17
br i1 %c, label %b1, label %b2
b1:
br label %b2
b2:
%p = phi i32 [ 1, %entry ], [ 0, %b1 ]
%q = sub i32 %x, %x
%y = zext i32 %q to i64
%u = shl i64 %y, 32
%v = zext i32 %p to i64
%w = or i64 %u, %v
ret i64 %w
}