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author | Benjamin Kramer <benny.kra@googlemail.com> | 2011-04-30 18:15:53 +0000 |
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committer | Benjamin Kramer <benny.kra@googlemail.com> | 2011-04-30 18:15:53 +0000 |
commit | 2f8e038b35c06cd130b327433e40d343e1d27244 (patch) | |
tree | c1bd12ba51e874694e7b6272ecad17f6ef03131b | |
parent | 277abc8172a19b287e9b6ea0969bc113d7ac48e4 (diff) | |
download | external_llvm-2f8e038b35c06cd130b327433e40d343e1d27244.zip external_llvm-2f8e038b35c06cd130b327433e40d343e1d27244.tar.gz external_llvm-2f8e038b35c06cd130b327433e40d343e1d27244.tar.bz2 |
FileCheckize.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130613 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r-- | test/Transforms/InstCombine/div.ll | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/test/Transforms/InstCombine/div.ll b/test/Transforms/InstCombine/div.ll index 0d13980..7ef640b 100644 --- a/test/Transforms/InstCombine/div.ll +++ b/test/Transforms/InstCombine/div.ll @@ -1,34 +1,44 @@ ; This test makes sure that div instructions are properly eliminated. -; RUN: opt < %s -instcombine -S | not grep div +; RUN: opt < %s -instcombine -S | FileCheck %s define i32 @test1(i32 %A) { %B = sdiv i32 %A, 1 ; <i32> [#uses=1] ret i32 %B +; CHECK: @test1 +; CHECK-NEXT: ret i32 %A } define i32 @test2(i32 %A) { ; => Shift %B = udiv i32 %A, 8 ; <i32> [#uses=1] ret i32 %B +; CHECK: @test2 +; CHECK-NEXT: lshr i32 %A, 3 } define i32 @test3(i32 %A) { ; => 0, don't need to keep traps %B = sdiv i32 0, %A ; <i32> [#uses=1] ret i32 %B +; CHECK: @test3 +; CHECK-NEXT: ret i32 0 } define i32 @test4(i32 %A) { ; 0-A %B = sdiv i32 %A, -1 ; <i32> [#uses=1] ret i32 %B +; CHECK: @test4 +; CHECK-NEXT: sub i32 0, %A } define i32 @test5(i32 %A) { %B = udiv i32 %A, -16 ; <i32> [#uses=1] %C = udiv i32 %B, -4 ; <i32> [#uses=1] ret i32 %C +; CHECK: @test5 +; CHECK-NEXT: ret i32 0 } define i1 @test6(i32 %A) { @@ -36,6 +46,8 @@ define i1 @test6(i32 %A) { ; A < 123 %C = icmp eq i32 %B, 0 ; <i1> [#uses=1] ret i1 %C +; CHECK: @test6 +; CHECK-NEXT: icmp ult i32 %A, 123 } define i1 @test7(i32 %A) { @@ -43,6 +55,9 @@ define i1 @test7(i32 %A) { ; A >= 20 && A < 30 %C = icmp eq i32 %B, 2 ; <i1> [#uses=1] ret i1 %C +; CHECK: @test7 +; CHECK-NEXT: add i32 %A, -20 +; CHECK-NEXT: icmp ult i32 } define i1 @test8(i8 %A) { @@ -50,6 +65,8 @@ define i1 @test8(i8 %A) { ; A >= 246 %C = icmp eq i8 %B, 2 ; <i1> [#uses=1] ret i1 %C +; CHECK: @test8 +; CHECK-NEXT: icmp ugt i8 %A, -11 } define i1 @test9(i8 %A) { @@ -57,28 +74,40 @@ define i1 @test9(i8 %A) { ; A < 246 %C = icmp ne i8 %B, 2 ; <i1> [#uses=1] ret i1 %C +; CHECK: @test9 +; CHECK-NEXT: icmp ult i8 %A, -10 } define i32 @test10(i32 %X, i1 %C) { %V = select i1 %C, i32 64, i32 8 ; <i32> [#uses=1] %R = udiv i32 %X, %V ; <i32> [#uses=1] ret i32 %R +; CHECK: @test10 +; CHECK-NEXT: select i1 %C, i32 6, i32 3 +; CHECK-NEXT: lshr i32 %X } define i32 @test11(i32 %X, i1 %C) { %A = select i1 %C, i32 1024, i32 32 ; <i32> [#uses=1] %B = udiv i32 %X, %A ; <i32> [#uses=1] ret i32 %B +; CHECK: @test11 +; CHECK-NEXT: select i1 %C, i32 10, i32 5 +; CHECK-NEXT: lshr i32 %X } ; PR2328 define i32 @test12(i32 %x) nounwind { %tmp3 = udiv i32 %x, %x ; 1 ret i32 %tmp3 +; CHECK: @test12 +; CHECK-NEXT: ret i32 1 } define i32 @test13(i32 %x) nounwind { %tmp3 = sdiv i32 %x, %x ; 1 ret i32 %tmp3 +; CHECK: @test13 +; CHECK-NEXT: ret i32 1 } |