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[InstCombine] Regenerate some fcmp tests to use the update_test_check…
…s.py script
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@@ -1,14 +1,17 @@ | ||
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py | ||
; RUN: opt -passes=instcombine -S < %s | FileCheck %s | ||
; PR2359 | ||
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; 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 | ||
} | ||
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@@ -1,63 +1,74 @@ | ||
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py | ||
; RUN: opt < %s -passes=instcombine -S | FileCheck %s | ||
; PR3021 | ||
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; When inst combining an FCMP with the LHS coming from a uitofp instruction, we | ||
; can't lower it to signed ICMP instructions. | ||
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; 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 | ||
} | ||
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; 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 | ||
} | ||
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; 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 | ||
} | ||
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; 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 | ||
} | ||
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; 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 | ||
} | ||
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; 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 | ||
} | ||
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; 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 | ||
} |
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Original file line number | Diff line number | Diff line change |
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@@ -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 | ||
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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 | ||
} |
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