llvm-project/llvm/test/Transforms/InstCombine/sink-zext.ll

202 lines
6.9 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -instcombine -S | FileCheck %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
declare i32 @callee()
define i64 @test1(i32 %V) {
; CHECK-LABEL: @test1(
; CHECK-NEXT: [[CALL1:%.*]] = call i32 @callee(), !range !0
; CHECK-NEXT: [[CALL2:%.*]] = call i32 @callee(), !range !0
; CHECK-NEXT: [[ADDCONV:%.*]] = add nuw nsw i32 [[CALL1]], [[CALL2]]
; CHECK-NEXT: [[ADD:%.*]] = zext i32 [[ADD:%.*]]conv to i64
; CHECK-NEXT: ret i64 [[ADD]]
;
%call1 = call i32 @callee(), !range !0
%call2 = call i32 @callee(), !range !0
%zext1 = sext i32 %call1 to i64
%zext2 = sext i32 %call2 to i64
%add = add i64 %zext1, %zext2
ret i64 %add
}
define i64 @test2(i32 %V) {
; CHECK-LABEL: @test2(
; CHECK-NEXT: [[CALL1:%.*]] = call i32 @callee(), !range !0
; CHECK-NEXT: [[CALL2:%.*]] = call i32 @callee(), !range !0
; CHECK-NEXT: [[ADD:%.*]] = add nuw nsw i32 [[CALL1]], [[CALL2]]
; CHECK-NEXT: [[ZEXT1:%.*]] = zext i32 [[ADD]] to i64
; CHECK-NEXT: ret i64 [[ZEXT1]]
;
%call1 = call i32 @callee(), !range !0
%call2 = call i32 @callee(), !range !0
%add = add i32 %call1, %call2
%zext = sext i32 %add to i64
ret i64 %zext
}
define i64 @test3(i32 %V) {
; CHECK-LABEL: @test3(
; CHECK-NEXT: [[CALL1:%.*]] = call i32 @callee(), !range !0
; CHECK-NEXT: [[CALL2:%.*]] = call i32 @callee(), !range !0
; CHECK-NEXT: [[MULCONV:%.*]] = mul nuw nsw i32 [[CALL1]], [[CALL2]]
; CHECK-NEXT: [[ADD:%.*]] = zext i32 [[MULCONV]] to i64
; CHECK-NEXT: ret i64 [[ADD]]
;
%call1 = call i32 @callee(), !range !0
%call2 = call i32 @callee(), !range !0
%zext1 = sext i32 %call1 to i64
%zext2 = sext i32 %call2 to i64
%add = mul i64 %zext1, %zext2
ret i64 %add
}
define i64 @test4(i32 %V) {
; CHECK-LABEL: @test4(
; CHECK-NEXT: [[CALL1:%.*]] = call i32 @callee(), !range !0
; CHECK-NEXT: [[CALL2:%.*]] = call i32 @callee(), !range !0
; CHECK-NEXT: [[ADD:%.*]] = mul nuw nsw i32 [[CALL1]], [[CALL2]]
; CHECK-NEXT: [[ZEXT1:%.*]] = zext i32 [[ADD]] to i64
; CHECK-NEXT: ret i64 [[ZEXT1]]
;
%call1 = call i32 @callee(), !range !0
%call2 = call i32 @callee(), !range !0
%add = mul i32 %call1, %call2
%zext = sext i32 %add to i64
ret i64 %zext
}
define i64 @test5(i32 %V) {
; CHECK-LABEL: @test5(
; CHECK-NEXT: [[ASHR:%.*]] = ashr i32 [[V:%.*]], 1
; CHECK-NEXT: [[ADDCONV:%.*]] = add nsw i32 [[ASHR]], 1073741823
; CHECK-NEXT: [[ADD:%.*]] = sext i32 [[ADDCONV]] to i64
; CHECK-NEXT: ret i64 [[ADD]]
;
%ashr = ashr i32 %V, 1
%sext = sext i32 %ashr to i64
%add = add i64 %sext, 1073741823
ret i64 %add
}
define <2 x i64> @test5_splat(<2 x i32> %V) {
; CHECK-LABEL: @test5_splat(
; CHECK-NEXT: [[ASHR:%.*]] = ashr <2 x i32> [[V:%.*]], <i32 1, i32 1>
; CHECK-NEXT: [[ADDCONV:%.*]] = add nsw <2 x i32> [[ASHR]], <i32 1073741823, i32 1073741823>
; CHECK-NEXT: [[ADD:%.*]] = sext <2 x i32> [[ADDCONV]] to <2 x i64>
; CHECK-NEXT: ret <2 x i64> [[ADD]]
;
%ashr = ashr <2 x i32> %V, <i32 1, i32 1>
%sext = sext <2 x i32> %ashr to <2 x i64>
%add = add <2 x i64> %sext, <i64 1073741823, i64 1073741823>
ret <2 x i64> %add
}
define <2 x i64> @test5_vec(<2 x i32> %V) {
; CHECK-LABEL: @test5_vec(
; CHECK-NEXT: [[ASHR:%.*]] = ashr <2 x i32> [[V:%.*]], <i32 1, i32 1>
; CHECK-NEXT: [[ADDCONV:%.*]] = add nsw <2 x i32> [[ASHR]], <i32 1, i32 2>
; CHECK-NEXT: [[ADD:%.*]] = sext <2 x i32> [[ADDCONV]] to <2 x i64>
; CHECK-NEXT: ret <2 x i64> [[ADD]]
;
%ashr = ashr <2 x i32> %V, <i32 1, i32 1>
%sext = sext <2 x i32> %ashr to <2 x i64>
%add = add <2 x i64> %sext, <i64 1, i64 2>
ret <2 x i64> %add
}
define i64 @test6(i32 %V) {
; CHECK-LABEL: @test6(
; CHECK-NEXT: [[ASHR:%.*]] = ashr i32 [[V:%.*]], 1
; CHECK-NEXT: [[ADDCONV:%.*]] = add nsw i32 [[ASHR]], -1073741824
; CHECK-NEXT: [[ADD:%.*]] = sext i32 [[ADDCONV]] to i64
; CHECK-NEXT: ret i64 [[ADD]]
;
%ashr = ashr i32 %V, 1
%sext = sext i32 %ashr to i64
%add = add i64 %sext, -1073741824
ret i64 %add
}
define <2 x i64> @test6_splat(<2 x i32> %V) {
; CHECK-LABEL: @test6_splat(
; CHECK-NEXT: [[ASHR:%.*]] = ashr <2 x i32> [[V:%.*]], <i32 1, i32 1>
; CHECK-NEXT: [[ADDCONV:%.*]] = add nsw <2 x i32> [[ASHR]], <i32 -1073741824, i32 -1073741824>
; CHECK-NEXT: [[ADD:%.*]] = sext <2 x i32> [[ADDCONV]] to <2 x i64>
; CHECK-NEXT: ret <2 x i64> [[ADD]]
;
%ashr = ashr <2 x i32> %V, <i32 1, i32 1>
%sext = sext <2 x i32> %ashr to <2 x i64>
%add = add <2 x i64> %sext, <i64 -1073741824, i64 -1073741824>
ret <2 x i64> %add
}
define <2 x i64> @test6_vec(<2 x i32> %V) {
; CHECK-LABEL: @test6_vec(
; CHECK-NEXT: [[ASHR:%.*]] = ashr <2 x i32> [[V:%.*]], <i32 1, i32 1>
; CHECK-NEXT: [[ADDCONV:%.*]] = add nsw <2 x i32> [[ASHR]], <i32 -1, i32 -2>
; CHECK-NEXT: [[ADD:%.*]] = sext <2 x i32> [[ADDCONV]] to <2 x i64>
; CHECK-NEXT: ret <2 x i64> [[ADD]]
;
%ashr = ashr <2 x i32> %V, <i32 1, i32 1>
%sext = sext <2 x i32> %ashr to <2 x i64>
%add = add <2 x i64> %sext, <i64 -1, i64 -2>
ret <2 x i64> %add
}
define <2 x i64> @test6_vec2(<2 x i32> %V) {
; CHECK-LABEL: @test6_vec2(
; CHECK-NEXT: [[ASHR:%.*]] = ashr <2 x i32> [[V:%.*]], <i32 1, i32 1>
; CHECK-NEXT: [[ADDCONV:%.*]] = add nsw <2 x i32> [[ASHR]], <i32 -1, i32 1>
; CHECK-NEXT: [[ADD:%.*]] = sext <2 x i32> [[ADDCONV]] to <2 x i64>
; CHECK-NEXT: ret <2 x i64> [[ADD]]
;
%ashr = ashr <2 x i32> %V, <i32 1, i32 1>
%sext = sext <2 x i32> %ashr to <2 x i64>
%add = add <2 x i64> %sext, <i64 -1, i64 1>
ret <2 x i64> %add
}
define i64 @test7(i32 %V) {
; CHECK-LABEL: @test7(
; CHECK-NEXT: [[LSHR:%.*]] = lshr i32 [[V:%.*]], 1
; CHECK-NEXT: [[ADDCONV:%.*]] = add nuw i32 [[LSHR]], 2147483647
; CHECK-NEXT: [[ADD:%.*]] = zext i32 [[ADDCONV]] to i64
; CHECK-NEXT: ret i64 [[ADD]]
;
%lshr = lshr i32 %V, 1
%zext = zext i32 %lshr to i64
%add = add i64 %zext, 2147483647
ret i64 %add
}
define <2 x i64> @test7_splat(<2 x i32> %V) {
; CHECK-LABEL: @test7_splat(
; CHECK-NEXT: [[LSHR:%.*]] = lshr <2 x i32> [[V:%.*]], <i32 1, i32 1>
; CHECK-NEXT: [[ADDCONV:%.*]] = add nuw <2 x i32> [[LSHR]], <i32 2147483647, i32 2147483647>
; CHECK-NEXT: [[ADD:%.*]] = zext <2 x i32> [[ADDCONV]] to <2 x i64>
; CHECK-NEXT: ret <2 x i64> [[ADD]]
;
%lshr = lshr <2 x i32> %V, <i32 1, i32 1>
%zext = zext <2 x i32> %lshr to <2 x i64>
%add = add <2 x i64> %zext, <i64 2147483647, i64 2147483647>
ret <2 x i64> %add
}
define <2 x i64> @test7_vec(<2 x i32> %V) {
; CHECK-LABEL: @test7_vec(
; CHECK-NEXT: [[LSHR:%.*]] = lshr <2 x i32> [[V:%.*]], <i32 1, i32 1>
; CHECK-NEXT: [[ADDCONV:%.*]] = add nuw <2 x i32> [[LSHR]], <i32 1, i32 2>
; CHECK-NEXT: [[ADD:%.*]] = zext <2 x i32> [[ADDCONV]] to <2 x i64>
; CHECK-NEXT: ret <2 x i64> [[ADD]]
;
%lshr = lshr <2 x i32> %V, <i32 1, i32 1>
%zext = zext <2 x i32> %lshr to <2 x i64>
%add = add <2 x i64> %zext, <i64 1, i64 2>
ret <2 x i64> %add
}
!0 = !{ i32 0, i32 2000 }