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llvm-mirror/test/CodeGen/X86/shift-coalesce.ll
Dávid Bolvanský abfb9e7ee2 [Codegen][X86] Modernize/regenerate old tests. NFCI.
Summary:
Switch to FileCheck where possible.
Adjust tests so they can be easily regenerated by update scripts.

Reviewers: craig.topper, spatel, RKSimon

Reviewed By: spatel

Subscribers: MatzeB, qcolombet, arphaman, jfb, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D71211
2019-12-10 00:27:46 +01:00

35 lines
1.1 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i686-- -x86-asm-syntax=intel | FileCheck %s
; PR687
define i64 @foo(i64 %x, i64* %X) {
; CHECK-LABEL: foo:
; CHECK: # %bb.0:
; CHECK-NEXT: push esi
; CHECK-NEXT: .cfi_def_cfa_offset 8
; CHECK-NEXT: .cfi_offset esi, -8
; CHECK-NEXT: mov esi, dword ptr [esp + 8]
; CHECK-NEXT: mov edx, dword ptr [esp + 12]
; CHECK-NEXT: mov eax, dword ptr [esp + 16]
; CHECK-NEXT: mov cl, byte ptr [eax]
; CHECK-NEXT: mov eax, esi
; CHECK-NEXT: shl eax, cl
; CHECK-NEXT: shld edx, esi, cl
; CHECK-NEXT: test cl, 32
; CHECK-NEXT: je .LBB0_2
; CHECK-NEXT: # %bb.1:
; CHECK-NEXT: mov edx, eax
; CHECK-NEXT: xor eax, eax
; CHECK-NEXT: .LBB0_2:
; CHECK-NEXT: pop esi
; CHECK-NEXT: .cfi_def_cfa_offset 4
; CHECK-NEXT: ret
%tmp.1 = load i64, i64* %X ; <i64> [#uses=1]
%tmp.3 = trunc i64 %tmp.1 to i8 ; <i8> [#uses=1]
%shift.upgrd.1 = zext i8 %tmp.3 to i64 ; <i64> [#uses=1]
%tmp.4 = shl i64 %x, %shift.upgrd.1 ; <i64> [#uses=1]
ret i64 %tmp.4
}