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gerrit-public.fairphone.software / fp2-dev / platform / external / llvm / 36a0947820fd4aa4b8a5fa26e3f079bdf572bc81 / . / test / CodeGen / X86 / shift-coalesce.ll
blob: d38f9a88fcd6c893d86fc6f37d3b6dc49067816b [file] [log] [blame]
Dan Gohman36a09472009-09-08 23:54:48 +0000[diff] [blame^]1; RUN: llc < %s -march=x86 -x86-asm-syntax=intel | \
Reid Spencerd3b1f6d2007-04-15 22:20:47 +0000[diff] [blame]2; RUN: grep {shld.*CL}
Dan Gohman36a09472009-09-08 23:54:48 +0000[diff] [blame^]3; RUN: llc < %s -march=x86 -x86-asm-syntax=intel | \
Reid Spencerd3b1f6d2007-04-15 22:20:47 +0000[diff] [blame]4; RUN: not grep {mov CL, BL}
Chris Lattner734d8112006-08-29 23:09:59 +0000[diff] [blame]5
6; PR687
7
Tanya Lattner33eefff2008-02-21 07:42:26 +0000[diff] [blame]8define i64 @foo(i64 %x, i64* %X) {
9 %tmp.1 = load i64* %X ; <i64> [#uses=1]
10 %tmp.3 = trunc i64 %tmp.1 to i8 ; <i8> [#uses=1]
11 %shift.upgrd.1 = zext i8 %tmp.3 to i64 ; <i64> [#uses=1]
12 %tmp.4 = shl i64 %x, %shift.upgrd.1 ; <i64> [#uses=1]
13 ret i64 %tmp.4
Chris Lattner734d8112006-08-29 23:09:59 +0000[diff] [blame]14}
Tanya Lattner33eefff2008-02-21 07:42:26 +0000[diff] [blame]15