llvm-for-llvmta/test/CodeGen/NVPTX/vector-compare.ll

20 lines
701 B
LLVM

; RUN: llc < %s -march=nvptx -mcpu=sm_20
; RUN: llc < %s -march=nvptx64 -mcpu=sm_20
; This test makes sure that the result of vector compares are properly
; scalarized. If codegen fails, then the type legalizer incorrectly
; tried to promote <2 x i1> to <2 x i8> and instruction selection failed.
define void @foo(<2 x i32>* %a, <2 x i32>* %b, i32* %r1, i32* %r2) {
%aval = load <2 x i32>, <2 x i32>* %a
%bval = load <2 x i32>, <2 x i32>* %b
%res = icmp slt <2 x i32> %aval, %bval
%t1 = extractelement <2 x i1> %res, i32 0
%t2 = extractelement <2 x i1> %res, i32 1
%t1a = zext i1 %t1 to i32
%t2a = zext i1 %t2 to i32
store i32 %t1a, i32* %r1
store i32 %t2a, i32* %r2
ret void
}