Imported Upstream version 5.18.0.207

Former-commit-id: 3b152f462918d427ce18620a2cbe4f8b79650449

external/llvm/test/CodeGen/SystemZ/int-mul-07.ll

@@ -1,64 +0,0 @@
-; Test high-part i32->i64 multiplications.
-;
-; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
-
-; We don't provide *MUL_LOHI or MULH* for the patterns in this file,
-; but they should at least still work.
-
-; Check zero-extended multiplication in which only the high part is used.
-define i32 @f1(i32 %a, i32 %b) {
-; CHECK-LABEL: f1:
-; CHECK: msgr
-; CHECK: br %r14
-  %ax = zext i32 %a to i64
-  %bx = zext i32 %b to i64
-  %mulx = mul i64 %ax, %bx
-  %highx = lshr i64 %mulx, 32
-  %high = trunc i64 %highx to i32
-  ret i32 %high
-}
-
-; Check sign-extended multiplication in which only the high part is used.
-define i32 @f2(i32 %a, i32 %b) {
-; CHECK-LABEL: f2:
-; CHECK: msgfr
-; CHECK: br %r14
-  %ax = sext i32 %a to i64
-  %bx = sext i32 %b to i64
-  %mulx = mul i64 %ax, %bx
-  %highx = lshr i64 %mulx, 32
-  %high = trunc i64 %highx to i32
-  ret i32 %high
-}
-
-; Check zero-extended multiplication in which the result is split into
-; high and low halves.
-define i32 @f3(i32 %a, i32 %b) {
-; CHECK-LABEL: f3:
-; CHECK: msgr
-; CHECK: br %r14
-  %ax = zext i32 %a to i64
-  %bx = zext i32 %b to i64
-  %mulx = mul i64 %ax, %bx
-  %highx = lshr i64 %mulx, 32
-  %high = trunc i64 %highx to i32
-  %low = trunc i64 %mulx to i32
-  %or = or i32 %high, %low
-  ret i32 %or
-}
-
-; Check sign-extended multiplication in which the result is split into
-; high and low halves.
-define i32 @f4(i32 %a, i32 %b) {
-; CHECK-LABEL: f4:
-; CHECK: msgfr
-; CHECK: br %r14
-  %ax = sext i32 %a to i64
-  %bx = sext i32 %b to i64
-  %mulx = mul i64 %ax, %bx
-  %highx = lshr i64 %mulx, 32
-  %high = trunc i64 %highx to i32
-  %low = trunc i64 %mulx to i32
-  %or = or i32 %high, %low
-  ret i32 %or
-}