Add call instructions to Subzero's bitcode reader.

tests_lit/reader_tests/nacl-other-intrinsics.ll

+; This tests parsing NaCl intrinsics not related to atomic operations.
+
+; RUN: llvm-as < %s | pnacl-freeze -allow-local-symbol-tables \
+; RUN:              | %llvm2ice -notranslate -verbose=inst -build-on-read \
+; RUN:                -allow-pnacl-reader-error-recovery \
+; RUN:                -allow-local-symbol-tables \
+; RUN:              | FileCheck %s
+
+declare i8* @llvm.nacl.read.tp()
+declare void @llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i32, i1)
+declare void @llvm.memmove.p0i8.p0i8.i32(i8*, i8*, i32, i32, i1)
+declare void @llvm.memset.p0i8.i32(i8*, i8, i32, i32, i1)
+declare void @llvm.nacl.longjmp(i8*, i32)
+declare i32 @llvm.nacl.setjmp(i8*)
+declare float @llvm.sqrt.f32(float)
+declare double @llvm.sqrt.f64(double)
+declare void @llvm.trap()
+declare i16 @llvm.bswap.i16(i16)
+declare i32 @llvm.bswap.i32(i32)
+declare i64 @llvm.bswap.i64(i64)
+declare i32 @llvm.ctlz.i32(i32, i1)
+declare i64 @llvm.ctlz.i64(i64, i1)
+declare i32 @llvm.cttz.i32(i32, i1)
+declare i64 @llvm.cttz.i64(i64, i1)
+declare i32 @llvm.ctpop.i32(i32)
+declare i64 @llvm.ctpop.i64(i64)
+declare i8* @llvm.stacksave()
+declare void @llvm.stackrestore(i8*)
+
+define i32 @test_nacl_read_tp() {
+entry:
+  %ptr = call i8* @llvm.nacl.read.tp()
+  %__1 = ptrtoint i8* %ptr to i32
+  ret i32 %__1
+}
+
+; CHECK:      define i32 @test_nacl_read_tp() {
+; CHECK-NEXT: entry:
+; CHECK-NEXT:   %ptr = call i32 @llvm.nacl.read.tp()
+; CHECK-NEXT:   ret i32 %ptr
+; CHECK-NEXT: }
+
+define void @test_memcpy(i32 %iptr_dst, i32 %iptr_src, i32 %len) {
+entry:
+  %dst = inttoptr i32 %iptr_dst to i8*
+  %src = inttoptr i32 %iptr_src to i8*
+  call void @llvm.memcpy.p0i8.p0i8.i32(i8* %dst, i8* %src,
+                                       i32 %len, i32 1, i1 false)
+  ret void
+}
+
+; CHECK-NEXT: define void @test_memcpy(i32 %iptr_dst, i32 %iptr_src, i32 %len) {
+; CHECK-NEXT: entry:
+; CHECK-NEXT:   call void @llvm.memcpy.p0i8.p0i8.i32(i32 %iptr_dst, i32 %iptr_src, i32 %len, i32 1, i1 false)
+; CHECK-NEXT:   ret void
+; CHECK-NEXT: }
+
+define void @test_memmove(i32 %iptr_dst, i32 %iptr_src, i32 %len) {
+entry:
+  %dst = inttoptr i32 %iptr_dst to i8*
+  %src = inttoptr i32 %iptr_src to i8*
+  call void @llvm.memmove.p0i8.p0i8.i32(i8* %dst, i8* %src,
+                                        i32 %len, i32 1, i1 false)
+  ret void
+}
+
+; CHECK-NEXT: define void @test_memmove(i32 %iptr_dst, i32 %iptr_src, i32 %len) {
+; CHECK-NEXT: entry:
+; CHECK-NEXT:   call void @llvm.memmove.p0i8.p0i8.i32(i32 %iptr_dst, i32 %iptr_src, i32 %len, i32 1, i1 false)
+; CHECK-NEXT:   ret void
+; CHECK-NEXT: }
+
+define void @test_memset(i32 %iptr_dst, i32 %wide_val, i32 %len) {
+entry:
+  %val = trunc i32 %wide_val to i8
+  %dst = inttoptr i32 %iptr_dst to i8*
+  call void @llvm.memset.p0i8.i32(i8* %dst, i8 %val,
+                                  i32 %len, i32 1, i1 false)
+  ret void
+}
+
+; CHECK-NEXT: define void @test_memset(i32 %iptr_dst, i32 %wide_val, i32 %len) {
+; CHECK-NEXT: entry:
+; CHECK-NEXT:   %val = trunc i32 %wide_val to i8
+; CHECK-NEXT:   call void @llvm.memset.p0i8.i32(i32 %iptr_dst, i8 %val, i32 %len, i32 1, i1 false)
+; CHECK-NEXT:   ret void
+; CHECK-NEXT: }
+
+define i32 @test_setjmplongjmp(i32 %iptr_env) {
+entry:
+  %env = inttoptr i32 %iptr_env to i8*
+  %i = call i32 @llvm.nacl.setjmp(i8* %env)
+  %r1 = icmp eq i32 %i, 0
+  br i1 %r1, label %Zero, label %NonZero
+Zero:
+  ; Redundant inttoptr, to make --pnacl cast-eliding/re-insertion happy.
+  %env2 = inttoptr i32 %iptr_env to i8*
+  call void @llvm.nacl.longjmp(i8* %env2, i32 1)
+  ret i32 0
+NonZero:
+  ret i32 1
+}
+
+; CHECK-NEXT: define i32 @test_setjmplongjmp(i32 %iptr_env) {
+; CHECK-NEXT: entry:
+; CHECK-NEXT:   %i = call i32 @llvm.nacl.setjmp(i32 %iptr_env)
+; CHECK-NEXT:   %r1 = icmp eq i32 %i, 0
+; CHECK-NEXT:   br i1 %r1, label %Zero, label %NonZero
+; CHECK-NEXT: Zero:
+; CHECK-NEXT:   call void @llvm.nacl.longjmp(i32 %iptr_env, i32 1)
+; CHECK-NEXT:   ret i32 0
+; CHECK-NEXT: NonZero:
+; CHECK-NEXT:   ret i32 1
+; CHECK-NEXT: }
+
+define float @test_sqrt_float(float %x, i32 %iptr) {
+entry:
+  %r = call float @llvm.sqrt.f32(float %x)
+  %r2 = call float @llvm.sqrt.f32(float %r)
+  %r3 = call float @llvm.sqrt.f32(float -0.0)
+  %r4 = fadd float %r2, %r3
+  ret float %r4
+}
+
+; CHECK-NEXT: define float @test_sqrt_float(float %x, i32 %iptr) {
+; CHECK-NEXT: entry:
+; CHECK-NEXT:   %r = call float @llvm.sqrt.f32(float %x)
+; CHECK-NEXT:   %r2 = call float @llvm.sqrt.f32(float %r)
+; CHECK-NEXT:   %r3 = call float @llvm.sqrt.f32(float -0.000000e+00)
+; CHECK-NEXT:   %r4 = fadd float %r2, %r3
+; CHECK-NEXT:   ret float %r4
+; CHECK-NEXT: }
+
+define double @test_sqrt_double(double %x, i32 %iptr) {
+entry:
+  %r = call double @llvm.sqrt.f64(double %x)
+  %r2 = call double @llvm.sqrt.f64(double %r)
+  %r3 = call double @llvm.sqrt.f64(double -0.0)
+  %r4 = fadd double %r2, %r3
+  ret double %r4
+}
+
+; CHECK-NEXT: define double @test_sqrt_double(double %x, i32 %iptr) {
+; CHECK-NEXT: entry:
+; CHECK-NEXT:   %r = call double @llvm.sqrt.f64(double %x)
+; CHECK-NEXT:   %r2 = call double @llvm.sqrt.f64(double %r)
+; CHECK-NEXT:   %r3 = call double @llvm.sqrt.f64(double -0.000000e+00)
+; CHECK-NEXT:   %r4 = fadd double %r2, %r3
+; CHECK-NEXT:   ret double %r4
+; CHECK-NEXT: }
+
+define i32 @test_trap(i32 %br) {
+entry:
+  %r1 = icmp eq i32 %br, 0
+  br i1 %r1, label %Zero, label %NonZero
+Zero:
+  call void @llvm.trap()
+  unreachable
+NonZero:
+  ret i32 1
+}
+
+; CHECK-NEXT: define i32 @test_trap(i32 %br) {
+; CHECK-NEXT: entry:
+; CHECK-NEXT:   %r1 = icmp eq i32 %br, 0
+; CHECK-NEXT:   br i1 %r1, label %Zero, label %NonZero
+; CHECK-NEXT: Zero:
+; CHECK-NEXT:   call void @llvm.trap()
+; CHECK-NEXT:   unreachable
+; CHECK-NEXT: NonZero:
+; CHECK-NEXT:   ret i32 1
+; CHECK-NEXT: }
+
+define i32 @test_bswap_16(i32 %x) {
+entry:
+  %x_trunc = trunc i32 %x to i16
+  %r = call i16 @llvm.bswap.i16(i16 %x_trunc)
+  %r_zext = zext i16 %r to i32
+  ret i32 %r_zext
+}
+
+; CHECK-NEXT: define i32 @test_bswap_16(i32 %x) {
+; CHECK-NEXT: entry:
+; CHECK-NEXT:   %x_trunc = trunc i32 %x to i16
+; CHECK-NEXT:   %r = call i16 @llvm.bswap.i16(i16 %x_trunc)
+; CHECK-NEXT:   %r_zext = zext i16 %r to i32
+; CHECK-NEXT:   ret i32 %r_zext
+; CHECK-NEXT: }
+
+define i32 @test_bswap_32(i32 %x) {
+entry:
+  %r = call i32 @llvm.bswap.i32(i32 %x)
+  ret i32 %r
+}
+
+; CHECK-NEXT: define i32 @test_bswap_32(i32 %x) {
+; CHECK-NEXT: entry:
+; CHECK-NEXT:   %r = call i32 @llvm.bswap.i32(i32 %x)
+; CHECK-NEXT:   ret i32 %r
+; CHECK-NEXT: }
+
+define i64 @test_bswap_64(i64 %x) {
+entry:
+  %r = call i64 @llvm.bswap.i64(i64 %x)
+  ret i64 %r
+}
+
+; CHECK-NEXT: define i64 @test_bswap_64(i64 %x) {
+; CHECK-NEXT: entry:
+; CHECK-NEXT:   %r = call i64 @llvm.bswap.i64(i64 %x)
+; CHECK-NEXT:   ret i64 %r
+; CHECK-NEXT: }
+
+define i32 @test_ctlz_32(i32 %x) {
+entry:
+  %r = call i32 @llvm.ctlz.i32(i32 %x, i1 false)
+  ret i32 %r
+}
+
+; CHECK-NEXT: define i32 @test_ctlz_32(i32 %x) {
+; CHECK-NEXT: entry:
+; CHECK-NEXT:   %r = call i32 @llvm.ctlz.i32(i32 %x, i1 false)
+; CHECK-NEXT:   ret i32 %r
+; CHECK-NEXT: }
+
+define i64 @test_ctlz_64(i64 %x) {
+entry:
+  %r = call i64 @llvm.ctlz.i64(i64 %x, i1 false)
+  ret i64 %r
+}
+
+; CHECK-NEXT: define i64 @test_ctlz_64(i64 %x) {
+; CHECK-NEXT: entry:
+; CHECK-NEXT:   %r = call i64 @llvm.ctlz.i64(i64 %x, i1 false)
+; CHECK-NEXT:   ret i64 %r
+; CHECK-NEXT: }
+
+define i32 @test_cttz_32(i32 %x) {
+entry:
+  %r = call i32 @llvm.cttz.i32(i32 %x, i1 false)
+  ret i32 %r
+}
+
+; CHECK-NEXT: define i32 @test_cttz_32(i32 %x) {
+; CHECK-NEXT: entry:
+; CHECK-NEXT:   %r = call i32 @llvm.cttz.i32(i32 %x, i1 false)
+; CHECK-NEXT:   ret i32 %r
+; CHECK-NEXT: }
+
+define i64 @test_cttz_64(i64 %x) {
+entry:
+  %r = call i64 @llvm.cttz.i64(i64 %x, i1 false)
+  ret i64 %r
+}
+
+; CHECK-NEXT: define i64 @test_cttz_64(i64 %x) {
+; CHECK-NEXT: entry:
+; CHECK-NEXT:   %r = call i64 @llvm.cttz.i64(i64 %x, i1 false)
+; CHECK-NEXT:   ret i64 %r
+; CHECK-NEXT: }
+
+define i32 @test_popcount_32(i32 %x) {
+entry:
+  %r = call i32 @llvm.ctpop.i32(i32 %x)
+  ret i32 %r
+}
+
+; CHECK-NEXT: define i32 @test_popcount_32(i32 %x) {
+; CHECK-NEXT: entry:
+; CHECK-NEXT:   %r = call i32 @llvm.ctpop.i32(i32 %x)
+; CHECK-NEXT:   ret i32 %r
+; CHECK-NEXT: }
+
+define i64 @test_popcount_64(i64 %x) {
+entry:
+  %r = call i64 @llvm.ctpop.i64(i64 %x)
+  ret i64 %r
+}
+
+; CHECK-NEXT: define i64 @test_popcount_64(i64 %x) {
+; CHECK-NEXT: entry:
+; CHECK-NEXT:   %r = call i64 @llvm.ctpop.i64(i64 %x)
+; CHECK-NEXT:   ret i64 %r
+; CHECK-NEXT: }
+
+define void @test_stacksave_noalloca() {
+entry:
+  %sp = call i8* @llvm.stacksave()
+  call void @llvm.stackrestore(i8* %sp)
+  ret void
+}
+
+; CHECK-NEXT: define void @test_stacksave_noalloca() {
+; CHECK-NEXT: entry:
+; CHECK-NEXT:   %sp = call i32 @llvm.stacksave()
+; CHECK-NEXT:   call void @llvm.stackrestore(i32 %sp)
+; CHECK-NEXT:   ret void
+; CHECK-NEXT: }
+
+declare i32 @foo(i32 %x)
+
+define void @test_stacksave_multiple(i32 %x) {
+entry:
+  %x_4 = mul i32 %x, 4
+  %sp1 = call i8* @llvm.stacksave()
+  %tmp1 = alloca i8, i32 %x_4, align 4
+
+  %sp2 = call i8* @llvm.stacksave()
+  %tmp2 = alloca i8, i32 %x_4, align 4
+
+  %y = call i32 @foo(i32 %x)
+
+  %sp3 = call i8* @llvm.stacksave()
+  %tmp3 = alloca i8, i32 %x_4, align 4
+
+  %__9 = bitcast i8* %tmp1 to i32*
+  store i32 %y, i32* %__9, align 1
+
+  %__10 = bitcast i8* %tmp2 to i32*
+  store i32 %x, i32* %__10, align 1
+
+  %__11 = bitcast i8* %tmp3 to i32*
+  store i32 %x, i32* %__11, align 1
+
+  call void @llvm.stackrestore(i8* %sp1)
+  ret void
+}
+
+; CHECK-NEXT: define void @test_stacksave_multiple(i32 %x) {
+; CHECK-NEXT: entry:
+; CHECK-NEXT:   %x_4 = mul i32 %x, 4
+; CHECK-NEXT:   %sp1 = call i32 @llvm.stacksave()
+; CHECK-NEXT:   %tmp1 = alloca i8, i32 %x_4, align 4
+; CHECK-NEXT:   %sp2 = call i32 @llvm.stacksave()
+; CHECK-NEXT:   %tmp2 = alloca i8, i32 %x_4, align 4
+; CHECK-NEXT:   %y = call i32 @foo(i32 %x)
+; CHECK-NEXT:   %sp3 = call i32 @llvm.stacksave()
+; CHECK-NEXT:   %tmp3 = alloca i8, i32 %x_4, align 4
+; CHECK-NEXT:   store i32 %y, i32* %tmp1, align 1
+; CHECK-NEXT:   store i32 %x, i32* %tmp2, align 1
+; CHECK-NEXT:   store i32 %x, i32* %tmp3, align 1
+; CHECK-NEXT:   call void @llvm.stackrestore(i32 %sp1)
+; CHECK-NEXT:   ret void
+; CHECK-NEXT: }
+