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llvm-mirror/test/Transforms/InstCombine/2009-04-07-MulPromoteToI96.ll
Eric Christopher a62270de2c Revert "Temporarily Revert "Add basic loop fusion pass.""
The reversion apparently deleted the test/Transforms directory.

Will be re-reverting again.

llvm-svn: 358552
2019-04-17 04:52:47 +00:00

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478 B
LLVM

; RUN: opt < %s -instcombine -S | grep "mul i64"
; rdar://6762288
; Instcombine should not promote the mul to i96 because it is definitely
; not a legal type for the target, and we don't want a libcall.
define i96 @test(i96 %a.4, i96 %b.2) {
%tmp1086 = trunc i96 %a.4 to i64 ; <i64> [#uses=1]
%tmp836 = trunc i96 %b.2 to i64 ; <i64> [#uses=1]
%mul185 = mul i64 %tmp1086, %tmp836 ; <i64> [#uses=1]
%tmp544 = zext i64 %mul185 to i96 ; <i96> [#uses=1]
ret i96 %tmp544
}