mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-23 19:23:23 +01:00
a62270de2c
The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
125 lines
4.9 KiB
LLVM
125 lines
4.9 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
|
; RUN: opt < %s -instcombine -S | FileCheck %s
|
|
|
|
declare { <2 x i32>, <2 x i1> } @llvm.sadd.with.overflow.v2i32(<2 x i32>, <2 x i32>)
|
|
|
|
declare { i32, i1 } @llvm.sadd.with.overflow.i32(i32, i32)
|
|
|
|
declare { i8, i1 } @llvm.sadd.with.overflow.i8(i8, i8)
|
|
|
|
define { i32, i1 } @simple_fold(i32 %x) {
|
|
; CHECK-LABEL: @simple_fold(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 [[X:%.*]], i32 20)
|
|
; CHECK-NEXT: ret { i32, i1 } [[TMP1]]
|
|
;
|
|
%a = add nsw i32 %x, 7
|
|
%b = tail call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 %a, i32 13)
|
|
ret { i32, i1 } %b
|
|
}
|
|
|
|
define { i32, i1 } @fold_mixed_signs(i32 %x) {
|
|
; CHECK-LABEL: @fold_mixed_signs(
|
|
; CHECK-NEXT: [[B:%.*]] = add nsw i32 [[X:%.*]], 6
|
|
; CHECK-NEXT: [[TMP1:%.*]] = insertvalue { i32, i1 } { i32 undef, i1 false }, i32 [[B]], 0
|
|
; CHECK-NEXT: ret { i32, i1 } [[TMP1]]
|
|
;
|
|
%a = add nsw i32 %x, 13
|
|
%b = tail call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 %a, i32 -7)
|
|
ret { i32, i1 } %b
|
|
}
|
|
|
|
define { i8, i1 } @fold_on_constant_add_no_overflow(i8 %x) {
|
|
; CHECK-LABEL: @fold_on_constant_add_no_overflow(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = call { i8, i1 } @llvm.sadd.with.overflow.i8(i8 [[X:%.*]], i8 127)
|
|
; CHECK-NEXT: ret { i8, i1 } [[TMP1]]
|
|
;
|
|
%a = add nsw i8 %x, 100
|
|
%b = tail call { i8, i1 } @llvm.sadd.with.overflow.i8(i8 %a, i8 27)
|
|
ret { i8, i1 } %b
|
|
}
|
|
|
|
define { i8, i1 } @no_fold_on_constant_add_overflow(i8 %x) {
|
|
; CHECK-LABEL: @no_fold_on_constant_add_overflow(
|
|
; CHECK-NEXT: [[A:%.*]] = add nsw i8 [[X:%.*]], 100
|
|
; CHECK-NEXT: [[B:%.*]] = tail call { i8, i1 } @llvm.sadd.with.overflow.i8(i8 [[A]], i8 28)
|
|
; CHECK-NEXT: ret { i8, i1 } [[B]]
|
|
;
|
|
%a = add nsw i8 %x, 100
|
|
%b = tail call { i8, i1 } @llvm.sadd.with.overflow.i8(i8 %a, i8 28)
|
|
ret { i8, i1 } %b
|
|
}
|
|
|
|
define { <2 x i32>, <2 x i1> } @fold_simple_splat_constant(<2 x i32> %x) {
|
|
; CHECK-LABEL: @fold_simple_splat_constant(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = call { <2 x i32>, <2 x i1> } @llvm.sadd.with.overflow.v2i32(<2 x i32> [[X:%.*]], <2 x i32> <i32 42, i32 42>)
|
|
; CHECK-NEXT: ret { <2 x i32>, <2 x i1> } [[TMP1]]
|
|
;
|
|
%a = add nsw <2 x i32> %x, <i32 12, i32 12>
|
|
%b = tail call { <2 x i32>, <2 x i1> } @llvm.sadd.with.overflow.v2i32(<2 x i32> %a, <2 x i32> <i32 30, i32 30>)
|
|
ret { <2 x i32>, <2 x i1> } %b
|
|
}
|
|
|
|
define { <2 x i32>, <2 x i1> } @no_fold_splat_undef_constant(<2 x i32> %x) {
|
|
; CHECK-LABEL: @no_fold_splat_undef_constant(
|
|
; CHECK-NEXT: [[A:%.*]] = add nsw <2 x i32> [[X:%.*]], <i32 12, i32 undef>
|
|
; CHECK-NEXT: [[B:%.*]] = tail call { <2 x i32>, <2 x i1> } @llvm.sadd.with.overflow.v2i32(<2 x i32> [[A]], <2 x i32> <i32 30, i32 30>)
|
|
; CHECK-NEXT: ret { <2 x i32>, <2 x i1> } [[B]]
|
|
;
|
|
%a = add nsw <2 x i32> %x, <i32 12, i32 undef>
|
|
%b = tail call { <2 x i32>, <2 x i1> } @llvm.sadd.with.overflow.v2i32(<2 x i32> %a, <2 x i32> <i32 30, i32 30>)
|
|
ret { <2 x i32>, <2 x i1> } %b
|
|
}
|
|
|
|
define { <2 x i32>, <2 x i1> } @no_fold_splat_not_constant(<2 x i32> %x, <2 x i32> %y) {
|
|
; CHECK-LABEL: @no_fold_splat_not_constant(
|
|
; CHECK-NEXT: [[A:%.*]] = add nsw <2 x i32> [[X:%.*]], [[Y:%.*]]
|
|
; CHECK-NEXT: [[B:%.*]] = tail call { <2 x i32>, <2 x i1> } @llvm.sadd.with.overflow.v2i32(<2 x i32> [[A]], <2 x i32> <i32 30, i32 30>)
|
|
; CHECK-NEXT: ret { <2 x i32>, <2 x i1> } [[B]]
|
|
;
|
|
%a = add nsw <2 x i32> %x, %y
|
|
%b = tail call { <2 x i32>, <2 x i1> } @llvm.sadd.with.overflow.v2i32(<2 x i32> %a, <2 x i32> <i32 30, i32 30>)
|
|
ret { <2 x i32>, <2 x i1> } %b
|
|
}
|
|
|
|
define { i32, i1 } @fold_nuwnsw(i32 %x) {
|
|
; CHECK-LABEL: @fold_nuwnsw(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 [[X:%.*]], i32 42)
|
|
; CHECK-NEXT: ret { i32, i1 } [[TMP1]]
|
|
;
|
|
%a = add nuw nsw i32 %x, 12
|
|
%b = tail call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 %a, i32 30)
|
|
ret { i32, i1 } %b
|
|
}
|
|
|
|
define { i32, i1 } @no_fold_nuw(i32 %x) {
|
|
; CHECK-LABEL: @no_fold_nuw(
|
|
; CHECK-NEXT: [[A:%.*]] = add nuw i32 [[X:%.*]], 12
|
|
; CHECK-NEXT: [[B:%.*]] = tail call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 [[A]], i32 30)
|
|
; CHECK-NEXT: ret { i32, i1 } [[B]]
|
|
;
|
|
%a = add nuw i32 %x, 12
|
|
%b = tail call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 %a, i32 30)
|
|
ret { i32, i1 } %b
|
|
}
|
|
|
|
define { i32, i1 } @no_fold_wrapped_add(i32 %x) {
|
|
; CHECK-LABEL: @no_fold_wrapped_add(
|
|
; CHECK-NEXT: [[A:%.*]] = add i32 [[X:%.*]], 12
|
|
; CHECK-NEXT: [[B:%.*]] = tail call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 [[A]], i32 30)
|
|
; CHECK-NEXT: ret { i32, i1 } [[B]]
|
|
;
|
|
%a = add i32 %x, 12
|
|
%b = tail call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 30, i32 %a)
|
|
ret { i32, i1 } %b
|
|
}
|
|
|
|
define { i32, i1 } @fold_sub_simple(i32 %x) {
|
|
; CHECK-LABEL: @fold_sub_simple(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 [[X:%.*]], i32 42)
|
|
; CHECK-NEXT: ret { i32, i1 } [[TMP1]]
|
|
;
|
|
%a = sub nsw i32 %x, -12
|
|
%b = tail call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 %a, i32 30)
|
|
ret { i32, i1 } %b
|
|
}
|