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llvm-mirror/test/Transforms/IROutliner/outlining-isomorphic-predicates.ll
Andrew Litteken b277299271 [IROutliner] Removing a duplicate addition, causing overestimates in IROutliner.
There was an extra addition left over from a previous commit for the
cost model, this removes it.
2021-01-03 23:36:28 -06:00

171 lines
5.2 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -verify -iroutliner -ir-outlining-no-cost < %s | FileCheck %s
; This test checks the isomorphic comparisons can be outlined together into one
; function.
; The following three function are identical, except that in the third, the
; operand order, and predicate are swapped, meaning it is structurally the same
; and should be outlined together.
define void @outline_slt1() {
; CHECK-LABEL: @outline_slt1(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[A:%.*]] = alloca i32, align 4
; CHECK-NEXT: [[B:%.*]] = alloca i32, align 4
; CHECK-NEXT: call void @outlined_ir_func_1(i32* [[A]], i32* [[B]])
; CHECK-NEXT: ret void
;
entry:
%a = alloca i32, align 4
%b = alloca i32, align 4
store i32 2, i32* %a, align 4
store i32 3, i32* %b, align 4
%al = load i32, i32* %a
%bl = load i32, i32* %b
%0 = icmp slt i32 %al, %bl
ret void
}
define void @outline_slt2() {
; CHECK-LABEL: @outline_slt2(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[A:%.*]] = alloca i32, align 4
; CHECK-NEXT: [[B:%.*]] = alloca i32, align 4
; CHECK-NEXT: call void @outlined_ir_func_1(i32* [[A]], i32* [[B]])
; CHECK-NEXT: ret void
;
entry:
%a = alloca i32, align 4
%b = alloca i32, align 4
store i32 2, i32* %a, align 4
store i32 3, i32* %b, align 4
%al = load i32, i32* %a
%bl = load i32, i32* %b
%0 = icmp slt i32 %al, %bl
ret void
}
define void @outline_sgt() {
; CHECK-LABEL: @outline_sgt(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[A:%.*]] = alloca i32, align 4
; CHECK-NEXT: [[B:%.*]] = alloca i32, align 4
; CHECK-NEXT: call void @outlined_ir_func_1(i32* [[A]], i32* [[B]])
; CHECK-NEXT: ret void
;
entry:
%a = alloca i32, align 4
%b = alloca i32, align 4
store i32 2, i32* %a, align 4
store i32 3, i32* %b, align 4
%al = load i32, i32* %a
%bl = load i32, i32* %b
%0 = icmp sgt i32 %bl, %al
ret void
}
; This has a swapped predicate, but not swapped operands, so it cannot use
; the same outlined function as the ones above.
define void @dontoutline_sgt() {
; CHECK-LABEL: @dontoutline_sgt(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[A:%.*]] = alloca i32, align 4
; CHECK-NEXT: [[B:%.*]] = alloca i32, align 4
; CHECK-NEXT: store i32 2, i32* [[A]], align 4
; CHECK-NEXT: store i32 3, i32* [[B]], align 4
; CHECK-NEXT: [[AL:%.*]] = load i32, i32* [[A]], align 4
; CHECK-NEXT: [[BL:%.*]] = load i32, i32* [[B]], align 4
; CHECK-NEXT: [[TMP0:%.*]] = icmp sgt i32 [[AL]], [[BL]]
; CHECK-NEXT: ret void
;
entry:
%a = alloca i32, align 4
%b = alloca i32, align 4
store i32 2, i32* %a, align 4
store i32 3, i32* %b, align 4
%al = load i32, i32* %a
%bl = load i32, i32* %b
%0 = icmp sgt i32 %al, %bl
ret void
}
; The below functions use a different kind of predicate that is not compatible
; with the ones above, and should use a different outlined function.
; The other difference here is that the predicate with swapped operands comes
; first this time.
define void @outline_ugt1() {
; CHECK-LABEL: @outline_ugt1(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[A:%.*]] = alloca i32, align 4
; CHECK-NEXT: [[B:%.*]] = alloca i32, align 4
; CHECK-NEXT: call void @outlined_ir_func_0(i32* [[A]], i32* [[B]])
; CHECK-NEXT: ret void
;
entry:
%a = alloca i32, align 4
%b = alloca i32, align 4
store i32 2, i32* %a, align 4
store i32 3, i32* %b, align 4
%al = load i32, i32* %a
%bl = load i32, i32* %b
%0 = icmp ugt i32 %al, %bl
ret void
}
define void @outline_ugt2() {
; CHECK-LABEL: @outline_ugt2(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[A:%.*]] = alloca i32, align 4
; CHECK-NEXT: [[B:%.*]] = alloca i32, align 4
; CHECK-NEXT: call void @outlined_ir_func_0(i32* [[A]], i32* [[B]])
; CHECK-NEXT: ret void
;
entry:
%a = alloca i32, align 4
%b = alloca i32, align 4
store i32 2, i32* %a, align 4
store i32 3, i32* %b, align 4
%al = load i32, i32* %a
%bl = load i32, i32* %b
%0 = icmp ugt i32 %al, %bl
ret void
}
define void @outline_ult() {
; CHECK-LABEL: @outline_ult(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[A:%.*]] = alloca i32, align 4
; CHECK-NEXT: [[B:%.*]] = alloca i32, align 4
; CHECK-NEXT: call void @outlined_ir_func_0(i32* [[A]], i32* [[B]])
; CHECK-NEXT: ret void
;
entry:
%a = alloca i32, align 4
%b = alloca i32, align 4
store i32 2, i32* %a, align 4
store i32 3, i32* %b, align 4
%al = load i32, i32* %a
%bl = load i32, i32* %b
%0 = icmp ult i32 %bl, %al
ret void
}
; CHECK: define internal void @outlined_ir_func_0(i32* [[ARG0:%.*]], i32* [[ARG1:%.*]]) #0 {
; CHECK: entry_to_outline:
; CHECK-NEXT: store i32 2, i32* [[ARG0]], align 4
; CHECK-NEXT: store i32 3, i32* [[ARG1]], align 4
; CHECK-NEXT: [[AL:%.*]] = load i32, i32* [[ARG0]], align 4
; CHECK-NEXT: [[BL:%.*]] = load i32, i32* [[ARG1]], align 4
; CHECK-NEXT: [[TMP0:%.*]] = icmp ugt i32 [[AL]], [[BL]]
; CHECK: define internal void @outlined_ir_func_1(i32* [[ARG0:%.*]], i32* [[ARG1:%.*]]) #0 {
; CHECK: entry_to_outline:
; CHECK-NEXT: store i32 2, i32* [[ARG0]], align 4
; CHECK-NEXT: store i32 3, i32* [[ARG1]], align 4
; CHECK-NEXT: [[AL:%.*]] = load i32, i32* [[ARG0]], align 4
; CHECK-NEXT: [[BL:%.*]] = load i32, i32* [[ARG1]], align 4
; CHECK-NEXT: [[TMP0:%.*]] = icmp slt i32 [[AL]], [[BL]]