From 569a7b923716816806042fc2bf096f67163fd249 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Mon, 18 Jan 2010 21:55:43 +0000 Subject: [PATCH] remove a redundant test, filecheckize another. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93774 91177308-0d34-0410-b5e6-96231b3b80d8 --- .../InstCombine/apint-elim-logicalops.ll | 39 ------------------- test/Transforms/InstCombine/signext.ll | 30 ++++++++++++-- 2 files changed, 26 insertions(+), 43 deletions(-) delete mode 100644 test/Transforms/InstCombine/apint-elim-logicalops.ll diff --git a/test/Transforms/InstCombine/apint-elim-logicalops.ll b/test/Transforms/InstCombine/apint-elim-logicalops.ll deleted file mode 100644 index ec60e45d549..00000000000 --- a/test/Transforms/InstCombine/apint-elim-logicalops.ll +++ /dev/null @@ -1,39 +0,0 @@ -; Test that elimination of logical operators works with -; arbitrary precision integers. -; RUN: opt < %s -instcombine -S | \ -; RUN: not grep {(and\|xor\|add\|shl\|shr)} -; END. - -define i33 @test1(i33 %x) { - %tmp.1 = and i33 %x, 65535 ; [#uses=1] - %tmp.2 = xor i33 %tmp.1, -32768 ; [#uses=1] - %tmp.3 = add i33 %tmp.2, 32768 ; [#uses=1] - ret i33 %tmp.3 -} - -define i33 @test2(i33 %x) { - %tmp.1 = and i33 %x, 65535 ; [#uses=1] - %tmp.2 = xor i33 %tmp.1, 32768 ; [#uses=1] - %tmp.3 = add i33 %tmp.2, -32768 ; [#uses=1] - ret i33 %tmp.3 -} - -define i33 @test3(i16 %P) { - %tmp.1 = zext i16 %P to i33 ; [#uses=1] - %tmp.4 = xor i33 %tmp.1, 32768 ; [#uses=1] - %tmp.5 = add i33 %tmp.4, -32768 ; [#uses=1] - ret i33 %tmp.5 -} - -define i33 @test5(i33 %x) { - %tmp.1 = and i33 %x, 254 - %tmp.2 = xor i33 %tmp.1, 128 - %tmp.3 = add i33 %tmp.2, -128 - ret i33 %tmp.3 -} - -define i33 @test6(i33 %x) { - %tmp.2 = shl i33 %x, 16 ; [#uses=1] - %tmp.4 = lshr i33 %tmp.2, 16 ; [#uses=1] - ret i33 %tmp.4 -} diff --git a/test/Transforms/InstCombine/signext.ll b/test/Transforms/InstCombine/signext.ll index 008662e04e9..098dde109f8 100644 --- a/test/Transforms/InstCombine/signext.ll +++ b/test/Transforms/InstCombine/signext.ll @@ -1,12 +1,16 @@ -; RUN: opt < %s -instcombine -S | \ -; RUN: not grep {(and\|xor\|add\|shl\|shr)} -; END. +; RUN: opt < %s -instcombine -S | FileCheck %s + +target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128:n8:16:32:64" define i32 @test1(i32 %x) { %tmp.1 = and i32 %x, 65535 ; [#uses=1] %tmp.2 = xor i32 %tmp.1, -32768 ; [#uses=1] %tmp.3 = add i32 %tmp.2, 32768 ; [#uses=1] ret i32 %tmp.3 +; CHECK: @test1 +; CHECK: %sext = trunc i32 %x to i16 +; CHECK: %tmp.3 = sext i16 %sext to i32 +; CHECK: ret i32 %tmp.3 } define i32 @test2(i32 %x) { @@ -14,6 +18,10 @@ define i32 @test2(i32 %x) { %tmp.2 = xor i32 %tmp.1, 32768 ; [#uses=1] %tmp.3 = add i32 %tmp.2, -32768 ; [#uses=1] ret i32 %tmp.3 +; CHECK: @test2 +; CHECK: %sext = trunc i32 %x to i16 +; CHECK: %tmp.3 = sext i16 %sext to i32 +; CHECK: ret i32 %tmp.3 } define i32 @test3(i16 %P) { @@ -21,6 +29,9 @@ define i32 @test3(i16 %P) { %tmp.4 = xor i32 %tmp.1, 32768 ; [#uses=1] %tmp.5 = add i32 %tmp.4, -32768 ; [#uses=1] ret i32 %tmp.5 +; CHECK: @test3 +; CHECK: %tmp.5 = sext i16 %P to i32 +; CHECK: ret i32 %tmp.5 } define i32 @test4(i16 %P) { @@ -28,18 +39,29 @@ define i32 @test4(i16 %P) { %tmp.4 = xor i32 %tmp.1, 32768 ; [#uses=1] %tmp.5 = add i32 %tmp.4, -32768 ; [#uses=1] ret i32 %tmp.5 +; CHECK: @test4 +; CHECK: %tmp.5 = sext i16 %P to i32 +; CHECK: ret i32 %tmp.5 } define i32 @test5(i32 %x) { - %tmp.1 = and i32 %x, 254 ; [#uses=1] + %tmp.1 = and i32 %x, 255 ; [#uses=1] %tmp.2 = xor i32 %tmp.1, 128 ; [#uses=1] %tmp.3 = add i32 %tmp.2, -128 ; [#uses=1] ret i32 %tmp.3 +; CHECK: @test5 +; CHECK: %sext = trunc i32 %x to i8 +; CHECK: %tmp.3 = sext i8 %sext to i32 +; CHECK: ret i32 %tmp.3 } define i32 @test6(i32 %x) { %tmp.2 = shl i32 %x, 16 ; [#uses=1] %tmp.4 = ashr i32 %tmp.2, 16 ; [#uses=1] ret i32 %tmp.4 +; CHECK: @test6 +; CHECK: %tmp.2 = shl i32 %x, 16 +; CHECK: %tmp.4 = ashr i32 %tmp.2, 16 +; CHECK: ret i32 %tmp.4 }