llvm/test/Transforms/InstCombine/trunc-sext.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 6
; RUN: opt < %s -passes=instcombine -S | FileCheck %s

target datalayout = "i16:16:16-i32:32:32-i64:64:64-n16:32:64"

define i32 @test(i64 %i) {
; CHECK-LABEL: define i32 @test(
; CHECK-SAME: i64 [[I:%.*]]) {
; CHECK-NEXT:    [[A:%.*]] = trunc i64 [[I]] to i16
; CHECK-NEXT:    [[B:%.*]] = sext i16 [[A]] to i32
; CHECK-NEXT:    ret i32 [[B]]
;
  %a = trunc i64 %i to i16
  %b = sext i16 %a to i32
  ret i32 %b
}