1 ; RUN: opt < %s -instcombine -S | FileCheck %s
3 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"
5 @test1 = constant {{i32,i8},i32} {{i32,i8} { i32 -559038737, i8 186 }, i32 -889275714 }
6 @test2 = constant double 1.0
7 @test3 = constant {i64, i64} { i64 123, i64 112312312 }
11 %r = load i32* getelementptr ({{i32,i8},i32}* @test1, i32 0, i32 0, i32 0)
14 ; CHECK: ret i32 -559038737
18 ; Load of first 16 bits of 32-bit value.
20 %r = load i16* bitcast(i32* getelementptr ({{i32,i8},i32}* @test1, i32 0, i32 0, i32 0) to i16*)
24 ; CHECK: ret i16 -16657
27 ; Load of second 16 bits of 32-bit value.
29 %r = load i16* getelementptr(i16* bitcast(i32* getelementptr ({{i32,i8},i32}* @test1, i32 0, i32 0, i32 0) to i16*), i32 1)
33 ; CHECK: ret i16 -8531
36 ; Load of 8 bit field + tail padding.
38 %r = load i16* getelementptr(i16* bitcast(i32* getelementptr ({{i32,i8},i32}* @test1, i32 0, i32 0, i32 0) to i16*), i32 2)
44 ; Load of double bits.
46 %r = load i64* bitcast(double* @test2 to i64*)
50 ; CHECK: ret i64 4607182418800017408
53 ; Load of double bits.
55 %r = load i16* bitcast(double* @test2 to i16*)
63 define double @test8() {
64 %r = load double* bitcast({{i32,i8},i32}* @test1 to double*)
68 ; CHECK: ret double 0xDEADBEBA
73 define i128 @test9() {
74 %r = load i128* bitcast({i64, i64}* @test3 to i128*)
78 ; CHECK: ret i128 112312312
82 define <2 x i64> @test10() {
83 %r = load <2 x i64>* bitcast({i64, i64}* @test3 to <2 x i64>*)
87 ; CHECK: ret <2 x i64> <i64 112312312, i64 0>