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[X86] Update test to not iterate past array boundaries. #163991

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Oct 20, 2025
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[X86] Update test to not iterate past array boundaries. #163991

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20 changes: 8 additions & 12 deletions llvm/test/Transforms/PhaseOrdering/X86/excessive-unrolling.ll
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Original file line number Diff line number Diff line change
Expand Up @@ -124,26 +124,22 @@ define void @test_known_trip_count() {
; CHECK-NEXT: [[TMP27:%.*]] = fadd <2 x double> [[WIDE_LOAD3_13]], [[WIDE_LOAD5_13]]
; CHECK-NEXT: store <2 x double> [[TMP26]], ptr getelementptr inbounds nuw (i8, ptr @a, i64 416), align 16
; CHECK-NEXT: store <2 x double> [[TMP27]], ptr getelementptr inbounds nuw (i8, ptr @a, i64 432), align 16
; CHECK-NEXT: [[WIDE_LOAD_14:%.*]] = load <2 x double>, ptr getelementptr inbounds nuw (i8, ptr @b, i64 448), align 16
; CHECK-NEXT: [[WIDE_LOAD3_14:%.*]] = load <2 x double>, ptr getelementptr inbounds nuw (i8, ptr @b, i64 464), align 16
; CHECK-NEXT: [[WIDE_LOAD4_14:%.*]] = load <2 x double>, ptr getelementptr inbounds nuw (i8, ptr @c, i64 448), align 16
; CHECK-NEXT: [[WIDE_LOAD5_14:%.*]] = load <2 x double>, ptr getelementptr inbounds nuw (i8, ptr @c, i64 464), align 16
; CHECK-NEXT: [[TMP28:%.*]] = fadd <2 x double> [[WIDE_LOAD_14]], [[WIDE_LOAD4_14]]
; CHECK-NEXT: [[TMP29:%.*]] = fadd <2 x double> [[WIDE_LOAD3_14]], [[WIDE_LOAD5_14]]
; CHECK-NEXT: store <2 x double> [[TMP28]], ptr getelementptr inbounds nuw (i8, ptr @a, i64 448), align 16
; CHECK-NEXT: store <2 x double> [[TMP29]], ptr getelementptr inbounds nuw (i8, ptr @a, i64 464), align 16
; CHECK-NEXT: [[TMP30:%.*]] = load double, ptr getelementptr inbounds nuw (i8, ptr @b, i64 480), align 16
; CHECK-NEXT: [[TMP31:%.*]] = load double, ptr getelementptr inbounds nuw (i8, ptr @c, i64 480), align 16
; CHECK-NEXT: [[TMP30:%.*]] = load double, ptr getelementptr inbounds nuw (i8, ptr @b, i64 448), align 16
; CHECK-NEXT: [[TMP31:%.*]] = load double, ptr getelementptr inbounds nuw (i8, ptr @c, i64 448), align 16
; CHECK-NEXT: [[ADD:%.*]] = fadd double [[TMP30]], [[TMP31]]
; CHECK-NEXT: store double [[ADD]], ptr getelementptr inbounds nuw (i8, ptr @a, i64 480), align 16
; CHECK-NEXT: store double [[ADD]], ptr getelementptr inbounds nuw (i8, ptr @a, i64 448), align 16
; CHECK-NEXT: [[TMP32:%.*]] = load double, ptr getelementptr inbounds nuw (i8, ptr @b, i64 456), align 8
; CHECK-NEXT: [[TMP33:%.*]] = load double, ptr getelementptr inbounds nuw (i8, ptr @c, i64 456), align 8
; CHECK-NEXT: [[ADD_1:%.*]] = fadd double [[TMP32]], [[TMP33]]
; CHECK-NEXT: store double [[ADD_1]], ptr getelementptr inbounds nuw (i8, ptr @a, i64 456), align 8
; CHECK-NEXT: ret void
;
entry:
br label %for.cond

for.cond:
%i.0 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
%cmp = icmp slt i32 %i.0, 61
%cmp = icmp slt i32 %i.0, 58
br i1 %cmp, label %for.body, label %exit

for.body:
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