134 lines
4.3 KiB
LLVM
134 lines
4.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 3
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; RUN: opt -mtriple=arm64-darwin-unknown -S -passes=consthoist < %s | FileCheck %s
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define i128 @test1(i128 %a) {
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; CHECK-LABEL: define i128 @test1(
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; CHECK-SAME: i128 [[A:%.*]]) {
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; CHECK-NEXT: [[CONST:%.*]] = bitcast i128 12297829382473034410122878 to i128
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; CHECK-NEXT: [[TMP1:%.*]] = add i128 [[A]], [[CONST]]
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; CHECK-NEXT: [[TMP2:%.*]] = add i128 [[TMP1]], [[CONST]]
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; CHECK-NEXT: ret i128 [[TMP2]]
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;
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%1 = add i128 %a, 12297829382473034410122878
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%2 = add i128 %1, 12297829382473034410122878
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ret i128 %2
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}
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; Check that we don't hoist large, but cheap constants
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define i512 @test2(i512 %a) {
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; CHECK-LABEL: define i512 @test2(
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; CHECK-SAME: i512 [[A:%.*]]) {
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; CHECK-NEXT: [[TMP1:%.*]] = and i512 [[A]], 7
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; CHECK-NEXT: [[TMP2:%.*]] = or i512 [[TMP1]], 7
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; CHECK-NEXT: ret i512 [[TMP2]]
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;
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%1 = and i512 %a, 7
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%2 = or i512 %1, 7
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ret i512 %2
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}
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; Check that we don't hoist the shift value of a shift instruction.
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define i512 @test3(i512 %a) {
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; CHECK-LABEL: define i512 @test3(
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; CHECK-SAME: i512 [[A:%.*]]) {
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; CHECK-NEXT: [[TMP1:%.*]] = shl i512 [[A]], 504
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; CHECK-NEXT: [[TMP2:%.*]] = ashr i512 [[TMP1]], 504
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; CHECK-NEXT: ret i512 [[TMP2]]
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;
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%1 = shl i512 %a, 504
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%2 = ashr i512 %1, 504
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ret i512 %2
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}
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; Ensure the code generator has the information necessary to simply sdiv.
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define i64 @sdiv(i64 %a) {
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; CHECK-LABEL: define i64 @sdiv(
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; CHECK-SAME: i64 [[A:%.*]]) {
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; CHECK-NEXT: [[TMP1:%.*]] = sdiv i64 [[A]], 4294967087
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; CHECK-NEXT: [[TMP2:%.*]] = add i64 [[TMP1]], 4294967087
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; CHECK-NEXT: ret i64 [[TMP2]]
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;
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%1 = sdiv i64 %a, 4294967087
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%2 = add i64 %1, 4294967087
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ret i64 %2
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}
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; Ensure the code generator has the information necessary to simply srem.
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define i64 @srem(i64 %a) {
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; CHECK-LABEL: define i64 @srem(
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; CHECK-SAME: i64 [[A:%.*]]) {
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; CHECK-NEXT: [[TMP1:%.*]] = srem i64 [[A]], 4294967087
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; CHECK-NEXT: [[TMP2:%.*]] = add i64 [[TMP1]], 4294967087
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; CHECK-NEXT: ret i64 [[TMP2]]
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;
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%1 = srem i64 %a, 4294967087
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%2 = add i64 %1, 4294967087
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ret i64 %2
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}
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; Ensure the code generator has the information necessary to simply udiv.
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define i64 @udiv(i64 %a) {
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; CHECK-LABEL: define i64 @udiv(
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; CHECK-SAME: i64 [[A:%.*]]) {
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; CHECK-NEXT: [[TMP1:%.*]] = udiv i64 [[A]], 4294967087
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; CHECK-NEXT: [[TMP2:%.*]] = add i64 [[TMP1]], 4294967087
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; CHECK-NEXT: ret i64 [[TMP2]]
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;
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%1 = udiv i64 %a, 4294967087
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%2 = add i64 %1, 4294967087
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ret i64 %2
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}
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; Ensure the code generator has the information necessary to simply urem.
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define i64 @urem(i64 %a) {
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; CHECK-LABEL: define i64 @urem(
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; CHECK-SAME: i64 [[A:%.*]]) {
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; CHECK-NEXT: [[TMP1:%.*]] = urem i64 [[A]], 4294967087
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; CHECK-NEXT: [[TMP2:%.*]] = add i64 [[TMP1]], 4294967087
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; CHECK-NEXT: ret i64 [[TMP2]]
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;
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%1 = urem i64 %a, 4294967087
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%2 = add i64 %1, 4294967087
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ret i64 %2
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}
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; Code generator will not decompose divide like operations when the divisor is
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; no a constant.
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define i64 @sdiv_non_const_divisor(i64 %a) {
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; CHECK-LABEL: define i64 @sdiv_non_const_divisor(
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; CHECK-SAME: i64 [[A:%.*]]) {
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; CHECK-NEXT: [[CONST:%.*]] = bitcast i64 4294967087 to i64
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; CHECK-NEXT: [[TMP1:%.*]] = sdiv i64 [[CONST]], [[A]]
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; CHECK-NEXT: [[TMP2:%.*]] = add i64 [[TMP1]], [[CONST]]
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; CHECK-NEXT: ret i64 [[TMP2]]
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;
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%1 = sdiv i64 4294967087, %a
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%2 = add i64 %1, 4294967087
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ret i64 %2
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}
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; Code generator emits divide instructions when optimising for size.
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define i64 @sdiv_minsize(i64 %a) minsize {
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; CHECK-LABEL: define i64 @sdiv_minsize(
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; CHECK-SAME: i64 [[A:%.*]]) #[[ATTR0:[0-9]+]] {
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; CHECK-NEXT: [[CONST:%.*]] = bitcast i64 4294967087 to i64
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; CHECK-NEXT: [[TMP1:%.*]] = sdiv i64 [[A]], [[CONST]]
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; CHECK-NEXT: [[TMP2:%.*]] = add i64 [[TMP1]], [[CONST]]
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; CHECK-NEXT: ret i64 [[TMP2]]
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;
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%1 = sdiv i64 %a, 4294967087
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%2 = add i64 %1, 4294967087
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ret i64 %2
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}
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define <2 x i64> @sdiv_v2i64(<2 x i64> %a) {
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; CHECK-LABEL: define <2 x i64> @sdiv_v2i64(
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; CHECK-SAME: <2 x i64> [[A:%.*]]) {
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; CHECK-NEXT: [[TMP1:%.*]] = sdiv <2 x i64> [[A]], <i64 4294967087, i64 4294967087>
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; CHECK-NEXT: [[TMP2:%.*]] = add <2 x i64> [[TMP1]], <i64 4294967087, i64 4294967087>
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; CHECK-NEXT: ret <2 x i64> [[TMP2]]
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;
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%1 = sdiv <2 x i64> %a, <i64 4294967087, i64 4294967087>
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%2 = add <2 x i64> %1, <i64 4294967087, i64 4294967087>
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ret <2 x i64> %2
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}
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