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authorTanya Lattner <tonic@nondot.org>2008-03-01 09:15:35 +0000
committerTanya Lattner <tonic@nondot.org>2008-03-01 09:15:35 +0000
commit5640bd186a4e1ab0c6dc8134b0722830762aef41 (patch)
tree1a6c3d0f03cb94ded9bec9476b296b30dd1011f2 /llvm/test/Transforms/InstCombine/narrow.ll
parentffe0da0eb2160281222a4f8862f435d333792dd2 (diff)
downloadbcm5719-llvm-5640bd186a4e1ab0c6dc8134b0722830762aef41.tar.gz
bcm5719-llvm-5640bd186a4e1ab0c6dc8134b0722830762aef41.zip
Remove llvm-upgrade and update test cases.
llvm-svn: 47793
Diffstat (limited to 'llvm/test/Transforms/InstCombine/narrow.ll')
-rw-r--r--llvm/test/Transforms/InstCombine/narrow.ll19
1 files changed, 10 insertions, 9 deletions
diff --git a/llvm/test/Transforms/InstCombine/narrow.ll b/llvm/test/Transforms/InstCombine/narrow.ll
index 02d7e31b8ad..41106e759ce 100644
--- a/llvm/test/Transforms/InstCombine/narrow.ll
+++ b/llvm/test/Transforms/InstCombine/narrow.ll
@@ -1,17 +1,18 @@
; This file contains various testcases that check to see that instcombine
; is narrowing computations when possible.
-; RUN: llvm-upgrade < %s | llvm-as | opt -instcombine | llvm-dis | \
+; RUN: llvm-as < %s | opt -instcombine | llvm-dis | \
; RUN: grep {ret i1 false}
; test1 - Eliminating the casts in this testcase (by narrowing the AND
; operation) allows instcombine to realize the function always returns false.
;
-bool %test1(int %A, int %B) {
- %C1 = setlt int %A, %B
- %ELIM1 = zext bool %C1 to uint
- %C2 = setgt int %A, %B
- %ELIM2 = zext bool %C2 to uint
- %C3 = and uint %ELIM1, %ELIM2
- %ELIM3 = trunc uint %C3 to bool
- ret bool %ELIM3
+define i1 @test1(i32 %A, i32 %B) {
+ %C1 = icmp slt i32 %A, %B ; <i1> [#uses=1]
+ %ELIM1 = zext i1 %C1 to i32 ; <i32> [#uses=1]
+ %C2 = icmp sgt i32 %A, %B ; <i1> [#uses=1]
+ %ELIM2 = zext i1 %C2 to i32 ; <i32> [#uses=1]
+ %C3 = and i32 %ELIM1, %ELIM2 ; <i32> [#uses=1]
+ %ELIM3 = trunc i32 %C3 to i1 ; <i1> [#uses=1]
+ ret i1 %ELIM3
}
+
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