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; ModuleID = 'tests/hello_world.bc'
target datalayout = "e-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-p:32:32:32-v128:32:128-n32"
target triple = "asmjs-unknown-emscripten"
@globaliz = global [300 x i8] zeroinitializer
define i64 @retter(i64 %x) {
store i128 0, i128* bitcast ([300 x i8]* @globaliz to i128*), align 4 ; wipe it out
store i64 %x, i64* bitcast ([300 x i8]* @globaliz to i64*), align 4
call i32 (i8*)* @puts(i8* bitcast ([300 x i8]* @globaliz to i8*))
ret i64 7017280452245743464
}
define i32 @main() {
entry:
%buffer = alloca i8, i32 1000, align 4
%bundled = bitcast i8* %buffer to i128*
store i128 8583909746840200552, i128* %bundled, align 4 ; hello world in there
call i32 (i8*)* @puts(i8* %buffer)
%loaded = load i128* %bundled, align 4 ; save for later
%backcast = bitcast i128* %bundled to i8*
call i32 (i8*)* @puts(i8* %backcast)
%temp.buffer = bitcast i8* %buffer to [0 x i8]*
%buffer1 = getelementptr [0 x i8]* %temp.buffer, i32 0, i32 1
%bundled1 = bitcast i8* %buffer1 to i128*
store i128 9862834326869351064, i128* %bundled1, align 1 ; unaligned
call i32 (i8*)* @puts(i8* %buffer)
; shifts
%shifted = lshr i128 %loaded, 16
store i128 %shifted, i128* %bundled, align 4
call i32 (i8*)* @puts(i8* %buffer)
%shifted2 = lshr i128 %loaded, 32
store i128 %shifted2, i128* %bundled, align 4
call i32 (i8*)* @puts(i8* %buffer)
; store %loaded, make sure has not been modified
store i128 %loaded, i128* %bundled, align 4
call i32 (i8*)* @puts(i8* %buffer)
%shifted3 = shl i128 %loaded, 8
store i128 %shifted3, i128* %bundled, align 4
store i8 113, i8* %buffer ; remove initial 0 ; 'q'
call i32 (i8*)* @puts(i8* %buffer)
; trunc
%shifted4 = shl i128 %loaded, 64
store i128 %shifted4, i128* %bundled, align 4
%nonzero64 = trunc i128 %loaded to i64 ; remove initial zeros
%bundled64 = bitcast i128* %bundled to i64*
store i64 %nonzero64, i64* %bundled64, align 4
; call i32 (i8*)* @puts(i8* %buffer)
store i128 0, i128* %bundled, align 4 ; wipe it out
%small32 = trunc i128 %loaded to i32
%buffer32 = bitcast i8* %buffer to i32*
store i32 %small32, i32* %buffer32, align 4
; call i32 (i8*)* @puts(i8* %buffer)
store i128 0, i128* %bundled, align 4 ; wipe it out
%small16 = trunc i128 %loaded to i16
%buffer16 = bitcast i8* %buffer to i16*
store i16 %small16, i16* %buffer16, align 4
call i32 (i8*)* @puts(i8* %buffer)
store i128 0, i128* %bundled, align 4 ; wipe it out
%small64 = trunc i128 %loaded to i64
%buffer64 = bitcast i8* %buffer to i64*
store i64 %small64, i64* %buffer64, align 4
call i32 (i8*)* @puts(i8* %buffer)
; zext
store i128 0, i128* %bundled, align 4 ; wipe it out
%pre32 = or i32 6382179, 0
%big = zext i32 %pre32 to i128
store i128 %big, i128* %bundled, align 4
call i32 (i8*)* @puts(i8* %buffer)
store i128 0, i128* %bundled, align 4 ; wipe it out
%pre64 = zext i32 1684366951 to i64
%post64 = shl i64 %pre64, 32
%big64 = or i64 %pre64, %post64
%bigb = zext i64 %big64 to i128
store i128 %bigb, i128* %bundled, align 4
call i32 (i8*)* @puts(i8* %buffer)
; or, and, xor
%ored = or i128 %loaded, 107752139522048 ; constant
store i128 %ored, i128* %bundled, align 4
call i32 (i8*)* @puts(i8* %buffer)
%ander = bitcast i128 18402271027389267967 to i128
%anded = and i128 %loaded, %ander ; variable
store i128 %anded, i128* %bundled, align 4
call i32 (i8*)* @puts(i8* %buffer)
%xored = xor i128 %loaded, 0
store i128 %xored, i128* %bundled, align 4
call i32 (i8*)* @puts(i8* %buffer)
; unfolding
store i128 %loaded, i128* bitcast ([300 x i8]* @globaliz to i128*), align 4
%loaded.short = load i96* bitcast ([300 x i8]* @globaliz to i96*), align 4
store i128 0, i128* bitcast ([300 x i8]* @globaliz to i128*), align 4
store i96 %loaded.short, i96* bitcast ([300 x i8]* @globaliz to i96*), align 4
call i32 (i8*)* @puts(i8* bitcast ([300 x i8]* @globaliz to i8*))
; phi
%if = trunc i128 %ander to i1
%first = trunc i128 %xored to i96
br i1 %if, label %a17, label %a26
a17:
%second = trunc i128 %loaded to i96
br label %a26
a26:
%a27 = phi i96 [ %first, %entry ], [ %second, %a17 ]
store i128 0, i128* %bundled, align 4 ; wipe it out
store i96 %a27, i96* bitcast ([300 x i8]* @globaliz to i96*), align 4
call i32 (i8*)* @puts(i8* bitcast ([300 x i8]* @globaliz to i8*))
; phi with constants
br i1 %if, label %a17b, label %a26b
a17b:
br label %a26b
a26b:
%a27b = phi i64 [ 55, %a26 ], [ 57, %a17b ]
store i128 0, i128* %bundled, align 4 ; wipe it out
store i64 %a27b, i64* bitcast ([300 x i8]* @globaliz to i64*), align 4
call i32 (i8*)* @puts(i8* bitcast ([300 x i8]* @globaliz to i8*))
store i128 %ored, i128* %bundled, align 4
%iff = zext i1 %if to i64
switch i64 %iff, label %a50 [
i64 1, label %a30
i64 0, label %a40
]
a50:
store i128 %xored, i128* %bundled, align 4
br label %a40
a30:
store i128 %anded, i128* %bundled, align 4
br label %a40
a40:
call i32 (i8*)* @puts(i8* %buffer)
; invoke return value
%inv64 = invoke i64 @retter(i64 8174723217654970232)
to label %a100 unwind label %a111
a100:
store i128 0, i128* bitcast ([300 x i8]* @globaliz to i128*), align 4 ; wipe it out
store i64 %inv64, i64* bitcast ([300 x i8]* @globaliz to i64*), align 4
call i32 (i8*)* @puts(i8* bitcast ([300 x i8]* @globaliz to i8*))
br label %done
a111:
%aaaa79 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
cleanup
br label %done
done:
ret i32 1
}
declare i32 @puts(i8*)
declare i32 @__gxx_personality_v0(...)
declare void @__cxa_throw(i32, i32, i32) ; for asm1, where exceptions are enabled but this test needs a throw to bring in lib stuff
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