llvm-6502/test/Transforms/InstCombine/bitcast-vector-fold.ll
Chris Lattner 1afab9c1e0 Implement constant folding if vector<->vector bitcasts where the number
of source/dest elements changes.  This implements
test/Transforms/InstCombine/bitcast-vector-fold.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44855 91177308-0d34-0410-b5e6-96231b3b80d8
2007-12-11 07:29:44 +00:00

34 lines
986 B
LLVM

; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep bitcast
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
target triple = "i686-apple-darwin8"
define <2 x i64> @test1() {
%tmp3 = bitcast <4 x i32> < i32 0, i32 1, i32 2, i32 3 > to <2 x i64>
ret <2 x i64> %tmp3
}
define <4 x i32> @test2() {
%tmp3 = bitcast <2 x i64> < i64 0, i64 1 > to <4 x i32>
ret <4 x i32> %tmp3
}
define <2 x double> @test3() {
%tmp3 = bitcast <4 x i32> < i32 0, i32 1, i32 2, i32 3 > to <2 x double>
ret <2 x double> %tmp3
}
define <4 x float> @test4() {
%tmp3 = bitcast <2 x i64> < i64 0, i64 1 > to <4 x float>
ret <4 x float> %tmp3
}
define <2 x i64> @test5() {
%tmp3 = bitcast <4 x float> <float 0.0, float 1.0, float 2.0, float 3.0> to <2 x i64>
ret <2 x i64> %tmp3
}
define <4 x i32> @test6() {
%tmp3 = bitcast <2 x double> <double 0.5, double 1.0> to <4 x i32>
ret <4 x i32> %tmp3
}