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[NFC][SimplifyCFG] Add some more tests for Arm.

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This commit is contained in:
Sam Parker 2020-08-25 11:43:54 +01:00
parent 3667bf202b
commit 2ad592033d
1 changed files with 135 additions and 2 deletions
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137
test/Transforms/SimplifyCFG/ARM/branch-fold-threshold.ll
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@ -1,6 +1,7 @@
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -mtriple=thumbv8m.main %s -simplifycfg -S | FileCheck %s
; RUN: opt -mtriple=thumbv8a %s -simplifycfg -S | FileCheck %s
; RUN: opt -mtriple=thumbv8m.main %s -simplifycfg -S | FileCheck %s --check-prefix=CHECK --check-prefix=THUMB
; RUN: opt -mtriple=thumbv8a %s -simplifycfg -S | FileCheck %s --check-prefix=CHECK --check-prefix=THUMB
; RUN: opt -mtriple=armv8a %s -simplifycfg -S | FileCheck %s --check-prefix=CHECK --check-prefix=ARM
define i32 @foo(i32 %a, i32 %b, i32 %c, i32 %d, i32* %input) {
; CHECK-LABEL: @foo(
@ -101,4 +102,136 @@ cond.end:
ret i32 %cond
}
define i32 @or_predicate(i32 %a, i32 %b, i32 %c, i32 %d, i32* %input) {
; CHECK-LABEL: @or_predicate(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i32 [[D:%.*]], 3
; CHECK-NEXT: [[ADD:%.*]] = add nsw i32 [[C:%.*]], [[A:%.*]]
; CHECK-NEXT: [[CMP1:%.*]] = icmp slt i32 [[ADD]], [[B:%.*]]
; CHECK-NEXT: [[OR_COND:%.*]] = or i1 [[CMP]], [[CMP1]]
; CHECK-NEXT: br i1 [[OR_COND]], label [[COND_END:%.*]], label [[COND_FALSE:%.*]]
; CHECK: cond.false:
; CHECK-NEXT: [[TMP0:%.*]] = load i32, i32* [[INPUT:%.*]], align 4
; CHECK-NEXT: br label [[COND_END]]
; CHECK: cond.end:
; CHECK-NEXT: [[COND:%.*]] = phi i32 [ [[TMP0]], [[COND_FALSE]] ], [ 0, [[ENTRY:%.*]] ]
; CHECK-NEXT: ret i32 [[COND]]
;
entry:
%cmp = icmp sgt i32 %d, 3
br i1 %cmp, label %cond.end, label %lor.lhs.false
lor.lhs.false:
%add = add nsw i32 %c, %a
%cmp1 = icmp slt i32 %add, %b
br i1 %cmp1, label %cond.end, label %cond.false
cond.false:
%0 = load i32, i32* %input, align 4
br label %cond.end
cond.end:
%cond = phi i32 [ %0, %cond.false ], [ 0, %lor.lhs.false ], [ 0, %entry ]
ret i32 %cond
}
define i32 @or_invert_predicate(i32 %a, i32 %b, i32 %c, i32 %d, i32* %input) {
; CHECK-LABEL: @or_invert_predicate(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CMP:%.*]] = icmp sle i32 [[D:%.*]], 3
; CHECK-NEXT: [[ADD:%.*]] = add nsw i32 [[C:%.*]], [[A:%.*]]
; CHECK-NEXT: [[CMP1:%.*]] = icmp slt i32 [[ADD]], [[B:%.*]]
; CHECK-NEXT: [[OR_COND:%.*]] = or i1 [[CMP]], [[CMP1]]
; CHECK-NEXT: br i1 [[OR_COND]], label [[COND_END:%.*]], label [[COND_FALSE:%.*]]
; CHECK: cond.false:
; CHECK-NEXT: [[TMP0:%.*]] = load i32, i32* [[INPUT:%.*]], align 4
; CHECK-NEXT: br label [[COND_END]]
; CHECK: cond.end:
; CHECK-NEXT: [[COND:%.*]] = phi i32 [ [[TMP0]], [[COND_FALSE]] ], [ 0, [[ENTRY:%.*]] ]
; CHECK-NEXT: ret i32 [[COND]]
;
entry:
%cmp = icmp sgt i32 %d, 3
br i1 %cmp, label %lor.lhs.false, label %cond.end
lor.lhs.false:
%add = add nsw i32 %c, %a
%cmp1 = icmp slt i32 %add, %b
br i1 %cmp1, label %cond.end, label %cond.false
cond.false:
%0 = load i32, i32* %input, align 4
br label %cond.end
cond.end:
%cond = phi i32 [ %0, %cond.false ], [ 0, %lor.lhs.false ], [ 0, %entry ]
ret i32 %cond
}
define i32 @or_predicate_minsize(i32 %a, i32 %b, i32 %c, i32 %d, i32* %input) #0 {
; CHECK-LABEL: @or_predicate_minsize(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i32 [[D:%.*]], 3
; CHECK-NEXT: [[ADD:%.*]] = add nsw i32 [[C:%.*]], [[A:%.*]]
; CHECK-NEXT: [[CMP1:%.*]] = icmp slt i32 [[ADD]], [[B:%.*]]
; CHECK-NEXT: [[OR_COND:%.*]] = or i1 [[CMP]], [[CMP1]]
; CHECK-NEXT: br i1 [[OR_COND]], label [[COND_END:%.*]], label [[COND_FALSE:%.*]]
; CHECK: cond.false:
; CHECK-NEXT: [[TMP0:%.*]] = load i32, i32* [[INPUT:%.*]], align 4
; CHECK-NEXT: br label [[COND_END]]
; CHECK: cond.end:
; CHECK-NEXT: [[COND:%.*]] = phi i32 [ [[TMP0]], [[COND_FALSE]] ], [ 0, [[ENTRY:%.*]] ]
; CHECK-NEXT: ret i32 [[COND]]
;
entry:
%cmp = icmp sgt i32 %d, 3
br i1 %cmp, label %cond.end, label %lor.lhs.false
lor.lhs.false:
%add = add nsw i32 %c, %a
%cmp1 = icmp slt i32 %add, %b
br i1 %cmp1, label %cond.end, label %cond.false
cond.false:
%0 = load i32, i32* %input, align 4
br label %cond.end
cond.end:
%cond = phi i32 [ %0, %cond.false ], [ 0, %lor.lhs.false ], [ 0, %entry ]
ret i32 %cond
}
define i32 @or_invert_predicate_minsize(i32 %a, i32 %b, i32 %c, i32 %d, i32* %input) #0 {
; CHECK-LABEL: @or_invert_predicate_minsize(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CMP:%.*]] = icmp sle i32 [[D:%.*]], 3
; CHECK-NEXT: [[ADD:%.*]] = add nsw i32 [[C:%.*]], [[A:%.*]]
; CHECK-NEXT: [[CMP1:%.*]] = icmp slt i32 [[ADD]], [[B:%.*]]
; CHECK-NEXT: [[OR_COND:%.*]] = or i1 [[CMP]], [[CMP1]]
; CHECK-NEXT: br i1 [[OR_COND]], label [[COND_END:%.*]], label [[COND_FALSE:%.*]]
; CHECK: cond.false:
; CHECK-NEXT: [[TMP0:%.*]] = load i32, i32* [[INPUT:%.*]], align 4
; CHECK-NEXT: br label [[COND_END]]
; CHECK: cond.end:
; CHECK-NEXT: [[COND:%.*]] = phi i32 [ [[TMP0]], [[COND_FALSE]] ], [ 0, [[ENTRY:%.*]] ]
; CHECK-NEXT: ret i32 [[COND]]
;
entry:
%cmp = icmp sgt i32 %d, 3
br i1 %cmp, label %lor.lhs.false, label %cond.end
lor.lhs.false:
%add = add nsw i32 %c, %a
%cmp1 = icmp slt i32 %add, %b
br i1 %cmp1, label %cond.end, label %cond.false
cond.false:
%0 = load i32, i32* %input, align 4
br label %cond.end
cond.end:
%cond = phi i32 [ %0, %cond.false ], [ 0, %lor.lhs.false ], [ 0, %entry ]
ret i32 %cond
}
attributes #0 = { minsize optsize }