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review.blissroms.org / platform_external_llvm80 / refs/heads/r / . / test / Integer / 2007-01-19-TruncSext.ll
blob: d8248713dff01ecb5bfa175c49e6efe0fd84edcc [file] [log] [blame]
Reid Spencer6df4c452007-01-20 08:31:45 +0000[diff] [blame]1; RUN: llvm-as %s -o - | llvm-dis > %t1.ll
2; RUN: llvm-as %t1.ll -o - | llvm-dis > %t2.ll
3; RUN: diff %t1.ll %t2.ll
Eli Bendersky5fcba112013-04-08 20:18:15 +0000[diff] [blame]4; RUN: llvm-as < %s | lli --force-interpreter=true | FileCheck %s
5; CHECK: -255
Reid Spencer6df4c452007-01-20 08:31:45 +0000[diff] [blame]6
Reid Spencere3ff5ad2007-01-26 08:25:06 +0000[diff] [blame]7@ARRAY = global [ 20 x i17 ] zeroinitializer
8@FORMAT = constant [ 4 x i8 ] c"%d\0A\00"
Reid Spencer6df4c452007-01-20 08:31:45 +0000[diff] [blame]9
Reid Spencere3ff5ad2007-01-26 08:25:06 +0000[diff] [blame]10declare i32 @printf(i8* %format, ...)
Reid Spencer6df4c452007-01-20 08:31:45 +0000[diff] [blame]11
Reid Spencere3ff5ad2007-01-26 08:25:06 +0000[diff] [blame]12define void @multiply(i32 %index, i32 %X, i32 %Y) {
Reid Spencer6df4c452007-01-20 08:31:45 +0000[diff] [blame]13 %Z = mul i32 %X, %Y
David Blaikie198d8ba2015-02-27 19:29:02 +0000[diff] [blame]14 %P = getelementptr [20 x i17], [20 x i17]* @ARRAY, i32 0, i32 %index
Reid Spencer6df4c452007-01-20 08:31:45 +0000[diff] [blame]15 %Result = trunc i32 %Z to i17
16 store i17 %Result, i17* %P
17 ret void
18}
19
Reid Spencer90850432007-01-30 16:16:01 +0000[diff] [blame]20define i32 @main(i32 %argc, i8** %argv) {
Reid Spencer6df4c452007-01-20 08:31:45 +0000[diff] [blame]21 %i = bitcast i32 0 to i32
Reid Spencere3ff5ad2007-01-26 08:25:06 +0000[diff] [blame]22 call void @multiply(i32 %i, i32 -1, i32 255)
David Blaikie198d8ba2015-02-27 19:29:02 +0000[diff] [blame]23 %P = getelementptr [20 x i17], [20 x i17]* @ARRAY, i32 0, i32 0
David Blaikie7c9c6ed2015-02-27 21:17:42 +0000[diff] [blame]24 %X = load i17, i17* %P
Reid Spencer6df4c452007-01-20 08:31:45 +0000[diff] [blame]25 %result = sext i17 %X to i32
David Blaikie198d8ba2015-02-27 19:29:02 +0000[diff] [blame]26 %fmt = getelementptr [4 x i8], [4 x i8]* @FORMAT, i32 0, i32 0
David Blaikie32b845d2015-04-16 23:24:18 +0000[diff] [blame]27 call i32 (i8*,...) @printf(i8* %fmt, i32 %result)
Reid Spencerff0f8772007-04-14 16:48:55 +0000[diff] [blame]28 ret i32 0
Reid Spencer6df4c452007-01-20 08:31:45 +0000[diff] [blame]29}
30