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[InstCombine] Regenerate some fcmp tests to use the update_test_check…
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…s.py script
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RKSimon committed Feb 21, 2024
1 parent 3cb4f62 commit a0b3dba
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15 changes: 9 additions & 6 deletions llvm/test/Transforms/InstCombine/2008-05-23-CompareFold.ll
Original file line number Diff line number Diff line change
@@ -1,14 +1,17 @@
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -passes=instcombine -S < %s | FileCheck %s
; PR2359

; CHECK-LABEL: @f(
; CHECK: ret i1 false
define i1 @f(ptr %x) {
; CHECK-LABEL: @f(
; CHECK-NEXT: entry:
; CHECK-NEXT: ret i1 false
;
entry:
%tmp462 = load i8, ptr %x, align 1 ; <i8> [#uses=1]
%tmp462463 = sitofp i8 %tmp462 to float ; <float> [#uses=1]
%tmp464 = fcmp ugt float %tmp462463, 0x47EFFFFFE0000000 ; <i1>
ret i1 %tmp464
%tmp462 = load i8, ptr %x, align 1 ; <i8> [#uses=1]
%tmp462463 = sitofp i8 %tmp462 to float ; <float> [#uses=1]
%tmp464 = fcmp ugt float %tmp462463, 0x47EFFFFFE0000000 ; <i1>
ret i1 %tmp464
}


39 changes: 25 additions & 14 deletions llvm/test/Transforms/InstCombine/2008-11-08-FCmp.ll
Original file line number Diff line number Diff line change
@@ -1,63 +1,74 @@
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes=instcombine -S | FileCheck %s
; PR3021

; When inst combining an FCMP with the LHS coming from a uitofp instruction, we
; can't lower it to signed ICMP instructions.

; CHECK-LABEL: @test1(
define i1 @test1(i32 %val) {
; CHECK-LABEL: @test1(
; CHECK-NEXT: [[TMP1:%.*]] = icmp eq i32 [[VAL:%.*]], 0
; CHECK-NEXT: ret i1 [[TMP1]]
;
%1 = uitofp i32 %val to double
%2 = fcmp ole double %1, 0.000000e+00
; CHECK: icmp eq i32 %val, 0
ret i1 %2
}

; CHECK-LABEL: @test2(
define i1 @test2(i32 %val) {
; CHECK-LABEL: @test2(
; CHECK-NEXT: ret i1 false
;
%1 = uitofp i32 %val to double
%2 = fcmp olt double %1, 0.000000e+00
ret i1 %2
; CHECK: ret i1 false
}

; CHECK-LABEL: @test3(
define i1 @test3(i32 %val) {
; CHECK-LABEL: @test3(
; CHECK-NEXT: ret i1 true
;
%1 = uitofp i32 %val to double
%2 = fcmp oge double %1, 0.000000e+00
ret i1 %2
; CHECK: ret i1 true
}

; CHECK-LABEL: @test4(
define i1 @test4(i32 %val) {
; CHECK-LABEL: @test4(
; CHECK-NEXT: [[TMP1:%.*]] = icmp ne i32 [[VAL:%.*]], 0
; CHECK-NEXT: ret i1 [[TMP1]]
;
%1 = uitofp i32 %val to double
%2 = fcmp ogt double %1, 0.000000e+00
; CHECK: icmp ne i32 %val, 0
ret i1 %2
}

; CHECK-LABEL: @test5(
define i1 @test5(i32 %val) {
; CHECK-LABEL: @test5(
; CHECK-NEXT: ret i1 true
;
%1 = uitofp i32 %val to double
%2 = fcmp ogt double %1, -4.400000e+00
ret i1 %2
; CHECK: ret i1 true
}

; CHECK-LABEL: @test6(
define i1 @test6(i32 %val) {
; CHECK-LABEL: @test6(
; CHECK-NEXT: ret i1 false
;
%1 = uitofp i32 %val to double
%2 = fcmp olt double %1, -4.400000e+00
ret i1 %2
; CHECK: ret i1 false
}

; Check that optimizing unsigned >= comparisons correctly distinguishes
; positive and negative constants. <rdar://problem/12029145>
; CHECK-LABEL: @test7(
define i1 @test7(i32 %val) {
; CHECK-LABEL: @test7(
; CHECK-NEXT: [[TMP1:%.*]] = icmp ugt i32 [[VAL:%.*]], 3
; CHECK-NEXT: ret i1 [[TMP1]]
;
%1 = uitofp i32 %val to double
%2 = fcmp oge double %1, 3.200000e+00
ret i1 %2
; CHECK: icmp ugt i32 %val, 3
}
14 changes: 9 additions & 5 deletions llvm/test/Transforms/InstCombine/2009-05-23-FCmpToICmp.ll
Original file line number Diff line number Diff line change
@@ -1,9 +1,13 @@
; RUN: opt < %s -passes=instcombine -S | not grep cmp
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes=instcombine -S | FileCheck %s
; rdar://6903175

define i1 @f0(ptr %a) nounwind {
%b = load i32, ptr %a, align 4
%c = uitofp i32 %b to double
%d = fcmp ogt double %c, 0x41EFFFFFFFE00000
ret i1 %d
; CHECK-LABEL: @f0(
; CHECK-NEXT: ret i1 false
;
%b = load i32, ptr %a, align 4
%c = uitofp i32 %b to double
%d = fcmp ogt double %c, 0x41EFFFFFFFE00000
ret i1 %d
}
23 changes: 22 additions & 1 deletion llvm/test/Transforms/InstCombine/2012-02-13-FCmp.ll
Original file line number Diff line number Diff line change
@@ -1,17 +1,38 @@
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -passes=instcombine -S < %s | FileCheck %s
; Radar 10803727
@.str = private unnamed_addr constant [35 x i8] c"\0Ain_range input (should be 0): %f\0A\00", align 1
@.str1 = external hidden unnamed_addr constant [35 x i8], align 1

declare i32 @printf(ptr, ...)
define i64 @_Z8tempCastj(i32 %val) uwtable ssp {
; CHECK-LABEL: @_Z8tempCastj(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CALL:%.*]] = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str1, i32 [[VAL:%.*]])
; CHECK-NEXT: [[CONV:%.*]] = uitofp i32 [[VAL]] to double
; CHECK-NEXT: [[CALL_I:%.*]] = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, double [[CONV]])
; CHECK-NEXT: br i1 true, label [[LAND_RHS_I:%.*]], label [[IF_END_CRITEDGE:%.*]]
; CHECK: land.rhs.i:
; CHECK-NEXT: [[CMP1_I:%.*]] = icmp eq i32 [[VAL]], 0
; CHECK-NEXT: br i1 [[CMP1_I]], label [[IF_THEN:%.*]], label [[IF_END:%.*]]
; CHECK: if.then:
; CHECK-NEXT: [[ADD:%.*]] = fadd double [[CONV]], 5.000000e-01
; CHECK-NEXT: [[CONV3:%.*]] = fptosi double [[ADD]] to i64
; CHECK-NEXT: br label [[RETURN:%.*]]
; CHECK: if.end.critedge:
; CHECK-NEXT: br label [[IF_END]]
; CHECK: if.end:
; CHECK-NEXT: br label [[RETURN]]
; CHECK: return:
; CHECK-NEXT: [[RETVAL_0:%.*]] = phi i64 [ [[CONV3]], [[IF_THEN]] ], [ -1, [[IF_END]] ]
; CHECK-NEXT: ret i64 [[RETVAL_0]]
;
entry:
%call = call i32 (ptr, ...) @printf(ptr @.str1, i32 %val)
%conv = uitofp i32 %val to double
%call.i = call i32 (ptr, ...) @printf(ptr @.str, double %conv)
%cmp.i = fcmp oge double %conv, -1.000000e+00
br i1 %cmp.i, label %land.rhs.i, label %if.end.critedge
; CHECK: br i1 true, label %land.rhs.i, label %if.end.critedge

land.rhs.i: ; preds = %entry
%cmp1.i = fcmp olt double %conv, 1.000000e+00
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